Prabhupada Letters :: 1974.

"My books are the foundation stone of our movement. This should be our only motto. Whatever we are is resting on these books, so far reading them and distributing them."

Prabhupada Letters :: 1968.

"My books are the ultimate source of knowledge. If you simply reproduce what I have explained surely you will come out victorious, even in the midst of so many great scholars."

Prabhupada Letters :: 1972.

"Preach, sell books, you will feel yourself becoming perfectly happy. There is immense field for preaching. Do not hesitate to take the bold step forward and invite everyone to become a devotee of Krsna."

Prabhupada Letters :: 1971.

"You can live strictly and make advancement in Krishna Consciousness by chanting and reading the books. There is no question of your fall down. Chant sixteen rounds regularly and no power in all three worlds will make you fall down."

Prabhupada Letters :: 1973.

"Yes, before the Spiritual Master a dullheaded fool is required, an over intelligent disciple is not a very good qualification. Chant, dance, distribute books and Prasadam and everything will increase automatically."

Prabhupada Letters :: 1975.

"Chant Hare Krishna and read our books very carefully। Do not waste your time with this study of monkeys. What will you learn by this? Better to hear from Lord Krishna Himself in Bhagavad-gita."

Prabhupada Letters :: Jul 5 1971

"We want good preachers। Preaching shouldn't depend on me only. My disciples should all become good preachers, and that depends on studying the books nicely so that you can arrive at the right conclusion."

Prabhupada Letters :: 1975.

"Yes, preach as much as possible। Preaching is our life. Travel, here and there, holding kirtana, distributing prasadam and books and speak our philosophy very nicely."