These are the sources

Expressions researched:
"These are the sources"

Bhagavad-gita As It Is Lectures

It has been mentioned, the tongue and the ear. These are the sources. Śruta-gṛhītayā. One must hear the Vedic literature.

Lecture on BG 13.18 -- Bombay, October 12, 1973: Vairāgya... Vedānta knowledge is not to be discussed on the table as a recreation, taking tea and smoking and discussing on Vedānta-sūtra. This kind of discussion will not help. Jñāna-vairāgya-yuktayā. Vairāgya. There must be detachment from material activities. Tac chraddadhānā munayo jñāna-vairāgya... [SB 1.2.12], paśyanty ātmani cātmānaṁ bhaktyā śruta-gṛhītayā. Bhaktyā. There must be bhakti. And what kind of bhakti? Not sentiment but śruta-gṛhītayā, taking, accepting bhakti, the devotional path, after being completely aware of the spiritual science. Bhaktyā śruta-gṛhītayā.

Śruta. The specific meaning of śruta means this knowledge has to be received through the ear, through the tongue. Sevonmukhe hi jihvādau [Brs. 1.2.234]. Śruta-gṛhītayā. It is never explained in the Vedic literature that the science of God can be understood by the eyes. No. It has been mentioned, the tongue and the ear. These are the sources. Śruta-gṛhītayā. One must hear the Vedic literature. The Vedic literature is called, therefore, śruti. Śrotriyaṁ brahma-niṣṭham [MU 1.2.12]. Śrotriyam. Formerly there was no book. The students used to hear from the spiritual master. Śruta, śrotriyam. That was perfect. There was no need of literacy. That ear is sufficient. Śruta-gṛhītayā. Tac chraddadhānā munayo jñāna-vairāgya...[SB 1.2.12]. And hearing, hearing, hearing, one becomes enlightened with knowledge, and the effect of knowledge is vairāgya. Vairāgya, detachment. Otherwise, we, hearing or studying... But there is no vairāgya. Even big, big sannyāsīs, they cannot... They are in a saffron dress but they Vairāgya... So far vairāgya is concerned, if you study their inner history, there is no vairāgya. They are attached to all kinds of material enjoyment. Simply a show-bottle dress. That will not help.

There must be vairāgya. That vairāgya can be achieved by bha... Bhaktyā śruta-gṛhītayā. When you hear... Bhakta means through the devotees, or you becoming devotee. There must be devotional service. And bhakti means sevonmukha, the attitude of rendering service to the Lord. That is bhakti. Hṛṣīkeṇa hṛṣīkeśa-sevanaṁ bhaktir ucyate [Cc. Madhya 19.170]. Bhakti means when you engage your senses for the service of the master of the senses, Hṛṣīkeśa. That is called is bhakti. Bhakti is not sentiment.

Seeing and hearing, these are the sources of gaining experience. So the śruti means hearing. And by hearing you will see. By hearing about God, Kṛṣṇa, ultimately you will see Him.

Lecture on BG 13.24 -- Bombay, October 23, 1973: Sevayā and dayā. There are two words. Sevā is offered to the superior person, sevā, service. And dayā is offered to an inferior person. Who is less than you, he requires your mercy, that is dayā. But who is superior than you, who requires your service, that is called sevā. This is the difference between sevā and dayā. But people do not know. They are trying to amalgamate dayā and sevā. No. Dayā to the inferior person. Just like a child. He requires your dayā, the dayā of the parents, mercy of the parents. But a guru, he requires your sevā, service. So you have to approve sevā, praṇipāta, surrender, sevā; then you can question. Don't question unnecessarily, waste your time, where you cannot surrender, where you cannot render your service. This is the process. Tad viddhi praṇipātena paripraśnena sevayā [Bg. 4.34]. Then you can derive some benefit from the realized person. Upadekṣyanti te jñānaṁ jñāninas tattva-darśinaḥ. Knowledge can be distributed by a person who has seen what is, who has experienced seeing... Seeing and hearing, these are the sources of gaining experience. So the śruti means hearing. And by hearing you will see. By hearing about God, Kṛṣṇa, ultimately you will see Him. When, by hearing, hearing, you'll develop your Kṛṣṇa consciousness... Ādau śraddhā tataḥ sādhu-saṅga [Cc. Madhya 22.83]. Hearing is possible by association with devotees, sādhu-saṅga. You cannot hear from the rascals. You have to hear from the superior person, one who is self-realized. Hearing. Satāṁ prasaṅgān mama vīrya-saṁvido bhavanti hṛt-karṇa-rasāyanāḥ kathāḥ [SB 3.25.25]. Satāṁ prasaṅgāt. By association with superior devotees...

1972 Correspondence

If we strictly observe these principles, we shall remain always enthusiastic. These are the sources and the maintainers of our enthusiasm to serve Krsna.

Letter to Dhananjaya -- Bombay 31 December, 1972: I am especially glad to note that everyone is feeling so much enthusiasm to work very hard in this preaching mission. That enthusiasm must be maintained under all circumstance. That is our price for entering into Krsna's kingdom. And maya is always trying to take away our enthusiasm to serve Krsna, because without enthusiasm everything else is finished. Therefore Rupa Gosvami has introduced this system of regulative principles which I have taught to you also. These regulative principles, such as rising before 4 a.m. for mangala aratrika, chanting 16 rounds minimum on beads daily, reading books, going for the street sankirtana, preaching to anyone and everyone, offering the prasadam, like that, these principles of devotional service are there to safeguard us from maya's attack by keeping us always enthusiastic. If we strictly observe these principles, we shall remain always enthusiastic. These are the sources and the maintainers of our enthusiasm to serve Krsna. As soon as someone is not following them regularly, it may be certain that his enthusiasm will gradually disappear. Therefore, my request to you is that under any and all circumstances that you yourself shall without fail stick to these principles and make certain that all of the devotees in your charge are also following them strictly.