Any process you accept, rejecting devotional service, the result will be that there is no profit. You simply labor for nothing, as much as to beat the husk, you'll never get the rice, you will simply be tiresome, that's all

Expressions researched:
"husk" |"husked" |"husking" |"husks"

SB Canto 2

There is no profit in beating husks without grains. Similarly, there is no profit in executing troublesome penances other than bhakti-yoga for self-realization.

SB 2.9.9, Translation and Purport:

The Personality of Godhead, being thus very much satisfied with the penance of Lord Brahmā, was pleased to manifest His personal abode, Vaikuṇṭha, the supreme planet above all others. This transcendental abode of the Lord is adored by all self-realized persons freed from all kinds of miseries and fear of illusory existence.

The troubles of penance accepted by Lord Brahmā were certainly in the line of devotional service (bhakti). Otherwise there was no chance that Vaikuṇṭha or svalokam, the Lord's personal abodes, would become visible to Brahmājī. The personal abodes of the Lord, known as Vaikuṇṭhas, are neither mythical nor material, as conceived by the impersonalists. But realization of the transcendental abodes of the Lord is possible only through devotional service, and thus the devotees enter into such abodes. There is undoubtedly trouble in executing penance. But the trouble accepted in executing bhakti-yoga is transcendental happiness from the very beginning, whereas the trouble of penance in other processes of self-realization (jñāna-yoga, dhyāna-yoga, etc.), without any Vaikuṇṭha realization, ends in trouble only and nothing more. There is no profit in beating husks without grains. Similarly, there is no profit in executing troublesome penances other than bhakti-yoga for self-realization.

SB Canto 3

The example is given that there is no benefit in husking the skin of an empty paddy; the rice is already gone. Similarly, simply by the speculative process one cannot be freed from material bondage, for the cause still exists.

SB 3.27.20, Purport:

Devahūti very intelligently says, "One may theoretically analyze and say that by knowledge he has become freed, but actually, as long as the cause exists, he is not free." Bhagavad-gītā confirms that after performing such speculative activities for many, many births, when one actually comes to his real consciousness and surrenders unto the Supreme Lord, Kṛṣṇa, then the fulfillment of his research in knowledge is actually achieved. There is a gulf of difference between theoretical freedom and actual freedom from material bondage. The Bhāgavatam (10.14.4) says that if one gives up the auspicious path of devotional service and simply tries to know things by speculation, one wastes his valuable time (kliśyanti ye kevala-bodha-labdhaye). The result of such a labor of love is simply labor; there is no other result. The labor of speculation is ended only by exhaustion. The example is given that there is no benefit in husking the skin of an empty paddy; the rice is already gone. Similarly, simply by the speculative process one cannot be freed from material bondage, for the cause still exists. One has to nullify the cause, and then the effect will be nullified. This is explained by the Supreme Personality of Godhead in the following verses.

If we give up bhakti-yoga and simply busy ourselves in the analytical study of the nature of things as they are, then the result will be practically nil. It is stated in the Bhāgavatam that such engagement is something like husking a paddy. There is no use beating the husk if the grain has already been removed.

SB 3.29.1-2, Purport:

Bhakti-yoga, devotional service, is the basic principle of all systems of philosophy; all philosophy which does not aim for devotional service to the Lord is considered merely mental speculation. But of course bhakti-yoga with no philosophical basis is more or less sentiment. There are two classes of men. Some consider themselves intellectually advanced and simply speculate and meditate, and others are sentimental and have no philosophical basis for their propositions. Neither of these can achieve the highest goal of life-or, if they do, it will take them many, many years. Vedic literature therefore suggests that there are three elements-namely the Supreme Lord, the living entity and their eternal relationship-and the goal of life is to follow the principles of bhakti, or devotional service, and ultimately attain to the planet of the Supreme Lord in full devotion and love as an eternal servitor of the Lord.

Sāṅkhya philosophy is the analytical study of all existence. One has to understand everything by examining its nature and characteristics. This is called acquirement of knowledge. But one should not simply acquire knowledge without reaching the goal of life or the basic principle for acquiring knowledge-bhakti-yoga. If we give up bhakti-yoga and simply busy ourselves in the analytical study of the nature of things as they are, then the result will be practically nil. It is stated in the Bhāgavatam that such engagement is something like husking a paddy. There is no use beating the husk if the grain has already been removed. By the scientific study of material nature, the living entity and the Supersoul, one has to understand the basic principle of devotional service to the Lord.

If one endeavors simply to achieve knowledge of the Absolute Truth or the Supersoul but has no devotional service, he labors without gaining the real result. This is compared to beating the husks of wheat after the grains have already been removed.

SB 3.33.26, Purport:

Devahūti was fully instructed by her son, Kapiladeva, on how to concentrate her mind on the Viṣṇu form in full detail. Following the instructions of her son in the matter of devotional service, she contemplated the form of the Lord within herself with great devotional love. That is the perfection of Brahman realization or the mystic yoga system or devotional service. At the ultimate issue, when one is fully absorbed in thought of the Supreme Lord and meditates on Him constantly, that is the highest perfection. Bhagavad-gītā confirms that one who is always absorbed in such a way is to be considered the topmost yogī.

The real purpose of all processes of transcendental realization—jñāna-yoga, dhyāna-yoga or bhakti-yoga—is to arrive at the point of devotional service. If one endeavors simply to achieve knowledge of the Absolute Truth or the Supersoul but has no devotional service, he labors without gaining the real result. This is compared to beating the husks of wheat after the grains have already been removed. Unless one understands the Supreme Personality of Godhead to be the ultimate goal, it is valueless simply to speculate or perform mystic yoga practice. In the aṣṭāṅga-yoga system, the seventh stage of perfection is dhyāna. This dhyāna is the third stage in devotional service. There are nine stages of devotional service. The first is hearing, and then comes chanting and then contemplating. By executing devotional service, therefore, one automatically becomes an expert jñānī and an expert yogī. In other words, jñāna and yoga are different preliminary stages of devotional service.

SB Canto 6

Impersonalists generally undergo great endeavor for no tangible benefit, and therefore it is said that they are husking paddy that has no grain.

SB 6.14.5, Purport:

There are two kinds of jñānīs. One is inclined to devotional service and the other to impersonal realization. Impersonalists generally undergo great endeavor for no tangible benefit, and therefore it is said that they are husking paddy that has no grain (sthūla-tuṣāvaghātinaḥ). The other class of jñānīs, whose jñāna is mixed with bhakti, are also of two kinds—those who are devoted to the so-called false form of the Supreme Personality of Godhead and those who understand the Supreme Personality of Godhead as sac-cid-ānanda-vigraha (Bs. 5.1), the actual spiritual form. The Māyāvādī devotees worship Nārāyaṇa or Viṣṇu with the idea that Viṣṇu has accepted a form of māyā and that the ultimate truth is actually impersonal. The pure devotee, however, never thinks that Viṣṇu has accepted a body of māyā; instead, he knows perfectly well that the original Absolute Truth is the Supreme Person. Such a devotee is actually situated in knowledge. He never merges in the Brahman effulgence. As stated in Śrīmad-Bhāgavatam (10.2.32):

ye 'nye 'ravindākṣa vimukta-māninas

tvayy asta-bhāvād aviśuddha-buddhayaḥ

āruhya kṛcchreṇa paraṁ padaṁ tataḥ

patanty adho 'nādṛta-yuṣmad-aṅghrayaḥ

"O Lord, the intelligence of those who think themselves liberated but who have no devotion is impure. Even though they rise to the highest point of liberation by dint of severe penances and austerities, they are sure to fall down again into material existence, for they do not take shelter at Your lotus feet."

SB Cantos 10.14 to 12 (Translations Only)

SB 10.14.4, Translation:

My dear Lord, devotional service unto You is the best path for self-realization. If someone gives up that path and engages in the cultivation of speculative knowledge, he will simply undergo a troublesome process and will not achieve his desired result. As a person who beats an empty husk of wheat cannot get grain, one who simply speculates cannot achieve self-realization. His only gain is trouble.

CC Madhya-lila

CC Madhya 22.22, Translation and Purport:

"'My dear Lord, devotional service unto You is the only auspicious path. If one gives it up simply for speculative knowledge or the understanding that these living beings are spirit souls and the material world is false, he undergoes a great deal of trouble. He only gains troublesome and inauspicious activities. His endeavors are like beating a husk that is already devoid of rice. His labor becomes fruitless.'"

This is a verse from Śrīmad-Bhāgavatam (10.14.4).

CC Madhya 24.140, Translation and Purport:

"'My dear Lord, devotional service unto You is the only auspicious path. If one gives it up simply for speculative knowledge or the understanding that these living beings are spirit souls and the material world is false, he undergoes a great deal of trouble. He only gains troublesome and inauspicious activities. His actions are like beating a husk that is already devoid of rice. His labor becomes fruitless.'"

This is a quotation from Śrīmad-Bhāgavatam (10.14.4).

CC Madhya 25.31, Translation and Purport:

"'My dear Lord, devotional service unto You is the only auspicious path. If one gives it up simply for speculative knowledge or the understanding that these living beings are spirit souls and the material world is false, he undergoes a great deal of trouble. He only gains troublesome and inauspicious activities. His actions are like beating a husk that is already devoid of rice. His labor becomes fruitless.'"

This is a quotation from Śrīmad-Bhāgavatam (10.14.4).

Teachings of Lord Caitanya

"If someone gives up that path and engages in the cultivation of knowledge or in speculation, he will simply undergo a troublesome process and will not achieve his desired results. A person who beats an empty husk of wheat cannot get grain, and one who engages simply in speculative knowledge cannot achieve the desired result of self realization. The only gain is trouble."

Teachings of Lord Caitanya, Chapter 11:

There are many sages who are expert in performing austerities; there are many men who give much in charity; there are many famous men, scholars and thinkers, and there are those who are very expert in reciting Vedic hymns. Although these are all auspicious, unless one utilizes his resources and performs his activities to attain devotional service to the Lord, he cannot attain the desired results. Therefore in Śrīmad-Bhāgavatam (SB 2.4.17) Śukadeva Gosvāmī offered his respectful obeisances unto the Supreme Lord as the only person who can award success.

It is accepted by all types of philosophers and transcendentalists that one who lacks knowledge cannot be liberated from material entanglement. Yet knowledge without devotional service cannot possibly award liberation. In other words, when jñāna, or the cultivation of knowledge, opens onto the path of devotional service, it can give one liberation, but not otherwise. This is also stated by Brahmā in Śrīmad-Bhāgavatam (SB 10.14.4):

śreyaḥ-srutiṁ bhaktim udasya te vibho

kliśyanti ye kevala-bodha-labdhaye

teṣām asau kleśala eva śisyate

nānyad yathā sthūla-tusāvaghātinām

"My dear Lord, devotional service unto You is the best path for self-realization. If someone gives up that path and engages in the cultivation of knowledge or in speculation, he will simply undergo a troublesome process and will not achieve his desired results. A person who beats an empty husk of wheat cannot get grain, and one who engages simply in speculative knowledge cannot achieve the desired result of self realization. The only gain is trouble."

In Śrīmad-Bhāgavatam it is stated that when a person abandons the path of devotional service and simply labors for knowledge, he has no profit other than the trouble he takes to understand the difference between matter and spirit. It is useless labor to try to get grains from empty husks.

Teachings of Lord Caitanya, Chapter 21:

After Lord Caitanya explained the Vedānta-sūtra by directly interpreting the verses, the chief disciple of Prakāśānanda Sarasvatī stood up in the assembly and began to praise Lord Caitanya as the Supreme Personality of Godhead, Nārāyaṇa. He not only very much appreciated the explanation of Vedānta-sūtra by Lord Caitanya, but he stated publicly that the direct explanation of the Upaniṣads and Vedānta-sūtra "is so pleasing that we forget ourselves and forget that we belong to the Māyāvādī sect." Thus it is herein admitted that Śaṅkarācārya's explanations of the Upaniṣads and Vedānta-sūtra are all imaginary. We may sometimes accept such imaginary explanations for the sake of sectarian feuds, but actually such explanations do not satisfy us. It is not that one becomes free from material entanglements simply by accepting the order of sannyāsa. Yet if we actually understand the explanations given by Lord Caitanya, we will be helped. For instance, when Lord Caitanya explains the meaning of harer nāma harer nāma harer nāmaiva kevalam (CC Adi 17.21), everyone is pleased, for it is a fact that there is no alternative to devotional service. Without devotional service no one can attain liberation from the material clutches. Especially in this age, one can achieve the highest liberation simply by chanting Hare Kṛṣṇa, Hare Kṛṣṇa, Kṛṣṇa Kṛṣṇa, Hare Hare/ Hare Rāma, Hare Rāma, Rāma Rāma, Hare Hare. In Śrīmad-Bhāgavatam (10.14.4) it is stated that when a person abandons the path of devotional service and simply labors for knowledge, he has no profit other than the trouble he takes to understand the difference between matter and spirit. It is useless labor to try to get grains from empty husks. Thus it is stated in Śrīmad-Bhāgavatam (10.2.32) that a person who gives up the transcendental loving service of the Supreme Lord and superficially considers himself liberated, never attains to liberation. With great labor, austerity and penance, he may be elevated to the liberated platform, but for want of shelter at the lotus feet of the Supreme Lord, he falls down again into material contamination.

Krsna, The Supreme Personality of Godhead

"The attempt of persons who are interested only in speculative knowledge is simply wasted labor, like the labor of a person who attempts to gain something by beating an empty husk of rice paddy. A little quantity of paddy can be husked by the grinding wheel, and one can gain some grains of rice, but if the skin of the paddy has already been beaten by the grinding wheel, there is no further gain in beating even a huge quantity of the husk. It is simply useless labor."

Krsna Book 14:

"The best process for understanding You is to submissively give up the speculative process and try to hear about You, either from Yourself as You have given statements in the Bhagavad-gītā and many similar Vedic scriptures, or from a realized devotee who has taken shelter at Your lotus feet. One has to hear from a devotee without speculation. One does not even need to change his worldly position; he simply has to hear Your message. Although You are not understandable by the material senses, simply by hearing about You one can gradually conquer the nescience of misunderstanding. By Your own grace only, You become revealed to a devotee. You are unconquerable by any other means. Speculative knowledge without any trace of devotional service is simply a useless waste of time in the search for You. Devotional service is so important that even a little attempt can raise one to the highest perfectional platform. One should not, therefore, neglect this auspicious process of devotional service and take to the speculative method. By the speculative method one may gain partial knowledge of Your cosmic manifestation, but it is not possible to understand You, the origin of everything. The attempt of persons who are interested only in speculative knowledge is simply wasted labor, like the labor of a person who attempts to gain something by beating an empty husk of rice paddy. A little quantity of paddy can be husked by the grinding wheel, and one can gain some grains of rice, but if the skin of the paddy has already been beaten by the grinding wheel, there is no further gain in beating even a huge quantity of the husk. It is simply useless labor."

Renunciation Through Wisdom

"If one gives up that path and engages in the cultivation of speculative knowledge, he will simply undergo a troublesome process and will not achieve his desired result. As a person who beats an empty husk of wheat cannot get grain, one who simply speculates cannot achieve self-realization. His only gain is trouble."

Renunciation Through Wisdom 2.13:

Lord Viṣṇu's impersonal aspect is known as Brahman. So when the jīva soul, a product of Lord Viṣṇu's superior, spiritual energy, attains sāyujya-mukti, or liberation by merging with Brahman, it is not at all surprising. The energetic principle always enjoys the prerogative of enfolding within itself His own energy, but that does not destroy the energy's eternal individuality. The impersonalists, desiring to merge with Brahman and knowing that it is feasible, still experience intense suffering in their effort to reach brahmānanda, "the bliss of Brahman." The Lord's devotees consider the pleasures of such liberation worse than hell. The impersonalists, in trying to destroy the illusion inherent in material forms, do away with even the eternal spiritual forms. That is indeed very foolish. Treating a patient to cure his disease is one thing, but ending the patient along with the disease is the work of an idiot. Thus we have this instruction from the great authority Brahmā in the Śrīmad-Bhāgavatam (10.14.4):

śreya-sṛtiṁ bhaktim udasya te vibho

kliśyanti ye kevala-bodha-labdhaye

teṣām asau kleśala eva śiṣyate

nānyad yathā sthūla-tuṣāvaghātinām

"My dear Lord, devotional service unto You is the best path for self-realization. If one gives up that path and engages in the cultivation of speculative knowledge, he will simply undergo a troublesome process and will not achieve his desired result. As a person who beats an empty husk of wheat cannot get grain, one who simply speculates cannot achieve self-realization. His only gain is trouble."