When my Guru Maharaja was present even big, big scholars were afraid to talk with His beginning students. My Guru Maharaja was called "Living Encyclopedia," he could talk with anyone on any subject. He was so learned — so we should be like that as far as possible. No compromise — Ramakrishna, avataras, yogis, everyone was enemy to Guru Maharaja — he never compromised. Some God-brothers complained that this preaching was chopping technique and it would not be successful. But we have seen that those who criticized, they fell down. For my part I have taken up the policy of my Guru Maharaja — no compromise. All these so called scholars, scientists, philosophers who do not accept Krsna are nothing more than rascals, fools, lowest of mankind etc.

From Srila Prabhupada's letter to Karandhara, 27 July 73