Don't Become Fool Number One - Prabhupada 0734
660711 - Lecture BG 04.01 and Review - New York
So this material knowledge, if anyone is very proud of his material knowledge . . . just like Sanātana Gosvāmī, a great devotee of Lord Caitanya, when he approached Lord Caitanya, he just inquired from Him, "My dear Sir, people address me that I am a very great, learned man, but I am such a learned man that I do not know where from I have come and where I have to go. I am such a learned man. That means I am fool number one."
"I have come to this world and I am staying here, say, for fifty years or eighty years or, at most, hundred years. Then after finishing this period of my life, where I am going? These two things I do not know. I do not know where from I have come and where I have to go. Then what sort of learned I am man?