can defeat all challanges

 
Imported quote 17238
But otherwise, he is not guru, one who has not understood Krsna. Therefore Caitanya Mahaprabhu confirms, yei krsna-tattva-vetta sei guru haya [Cc Madhya 8.128]. One who has understood Krsna as the supreme controller, the Supreme Person, the supreme maintainer, and everything the supreme, ultimate, then he can become guru. Otherwise, don't try to become guru. Impersonalists, half-understood, partial-understood, he cannot become guru. This is the Caitanya Mahaprabhu's formula. Therefore first of all try to understand Krsna. You will understand in such a way that you can refute all others' argument, all others' opposition. There are so many opposing elements. Then you are guru. Otherwise you cannot become a guru. Guru is not so teeny thing or trifle thing that everyone becomes Guru Maharaja. No. That is not guru. Sa mahatma... Vasudevaḥ sarvam iti sa mahatma sudurlabhaḥ [Bg 7.19].    (More...)

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