So in this way, we have to acquire the knowledge of Kṛṣṇa. That is brahma-jñāna, paramātma-jñāna, and bhagavat-tattva-jñāna. And when we realize... Not only hear theoretically, jñānam... That is... Theoretical knowledge is jñānam. But sa-vijñānam, when we actually perceive, when we actually understand what is the position of the Personality of Godhead, that is called vijñānam. Jñānaṁ sa-vijñānam. Jñānaṁ te 'haṁ sa-vijñānam idaṁ vakṣyāmy aśeṣataḥ (BG 7.2). Aśeṣataḥ, descriptive, not summarized.
So yaj jñātvā, "If you can understand this knowledge, then," yad jñātvā na iha bhūyaḥ anyaj jñātavyam avaśiṣyate, "then you will finish your all knowledge." Kasmin vijñāte sarvam idaṁ vijñātaṁ bhavati. The Vedic injunction is that if you understand Kṛṣṇa, then all knowledge becomes revealed to you. Kasmin vijñāte sarvam idaṁ vijñātaṁ bhavati. That is stated here. Yaj jñātvā neha bhūyaḥ anyaj jñātavyam avaśiṣyate. Then it is very nice to understand Kṛṣṇa. If by understanding Kṛṣṇa... One may say, "Oh, I have understood Kṛṣṇa. Kṛṣṇa was born at Mathurā as the son of Vasudeva and Devakī, and then He went to Vṛndāvana. And He became a friend of the cowherd girls or the boys, and He was playing there. So I have understood Kṛṣṇa." Anyone can say like that. But Kṛṣṇa says that "I am not so easily understood." Kṛṣṇa says that it is not so easy. Therefore those who try to understand Kṛṣṇa very easily, they are sahajiyās. And if one understands Kṛṣṇa very easily, then he derides at Him. Just like generally, people remark against Kṛṣṇa, "Oh, He was so," I mean to say, "characterless that He, I mean to say, mixing with the cowherd girls. So many. He married 16,000 wives." In this way, there are so many remarks. As if they have understood Kṛṣṇa. But Kṛṣṇa says that "I am not so easily understood." Of course, if anyone understands Kṛṣṇa, then his life becomes successful. Janma karma me divyaṁ yo jānāti tattvataḥ. Anyone who understands Kṛṣṇa, then he becomes immediately a liberated person. Janma karma me divyaṁ yo jānāti tattvataḥ. But one must understand in truth what is Kṛṣṇa. Tattvataḥ.
So anyone who understands Kṛṣṇa in truth... What becomes? Tyaktvā dehaṁ punar janma naiti (BG 4.9). Then such person, after quitting this material body, he never comes back again in this material world.