Prabhupāda: Then you see what Kṛṣṇa says. That is authority. Why should you hear anyone else? Now, what Kṛṣṇa has said, to understand that, that you have to search out if you are serious student.
John Lennon: How do we know if somebody else, Yogananda, Maharsi, and all these different people that have translated it, how are we to tell that their version isn't Kṛṣṇa's word from your version?
Prabhupāda: Therefore I say if you are serious student, then you study Sanskrit, original.