So we are not aware what is the aim of life. So Krsna is very kind. He therefore comes. He came just before the beginning of this Kali-yuga, the most fallen age, and left for us the Bhagavad-gita. And then, after Him, after His departure... It is said in the Srimad-Bhagavatam, "After departure of Krsna from this planet to His own abode, the principle of religion and knowledge, where it is kept?" So the answer is: "It is kept in the Srimad-Bhagavatam." Adhuna udita. So Krsna is nondifferent from Bhagavad-gita as it is spoken by Him personally, and He is also represented by Srimad-Bhagavatam, sound representation. So we should take the advantage of Bhagavad-gita and Srimad-Bhagavatam. They are krsna-katha, krsna-katha. Krsna-katha means news or words about Krsna, or Krsna's katha, the words given by Krsna. That is Bhagavad-gita, krsna-katha, Krsna's words. And Srimad-Bhagavatam means words for Krsna. Both of them are krsna-katha, or krsna-upadesa, instruction by Krsna.
By H.D.G. Srila Prabhupada
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