Prabhupada Letters :: 1969.

"We are not concerned with any other movement save and except Krishna Consciousness in its pure form. A little bit of a pure thing is much better than huge volumes of impure, adulterated things."

Prabhupada Letters :: 1973.

"They pose themselves as big leaders, philosophers. Why should we go to such men for knowledge? A leader must be peaceful, self-controlled, austere, pure, tolerant, honest, wise learned and religious."

Prabhupada Letters :: 1975.

"By chanting and giving prasadam you will get so many devotees। Purity is attractive. Our only asset is our purity. You cannot reach Krsna without being pure, because He is the supreme pure."

Prabhupada Letters :: 1970.

"The most important thing for spiritual realization is the company of realized souls or pure devotees of the Lord."

Prabhupada Letters :: 1972.

"Always there will be obstacles placed in our path by the demons and atheists, but if we can remain pure, nothing will be able to stop this great transcendental movement from spreading God consciousness all over the world."