Prabhupada Letters :: 1969.

"Why do you forget that you are always in association with me? When you are helping my missionary activities I am always thinking of you and you are always thinking of me. That is real association. Physical association is not so important as preceptorial association."

Prabhupada Letters :: 1967.

"Whenever you meet someone important you should strictly speak the Truth without any consideration of future material gains. If we are sincere servants of Krishna, our material necessities will never be hampered."

Prabhupada Letters :: 1973.

"It is very important that we now expose the nonsense theories of these rascal scientists who assert that life comes from matter। They say that life comes from some chemicals, but where from these chemicals have come?"