Hare Krishna At The Bhakti Center | New York City (2 min video)
Srila Prabhupada: There is only one guru—Krishna, the Supreme Personality of Godhead. So those who simply repeat His words, they also become guru. But of course a guru never thinks himself as being God. He only thinks of himself as the servant of the servant of the servant. Letter to Mr. & Mrs. Bhatia, November 23, 1075.
Watch it here: https://goo.gl/g5N8dV