Always remember Krsna Who is your dearmost friend and always serve Him just to please Him, and He will give you all intelligence how to be a first-class devotee. Just try to learn all about Krsna, chant Hare Krsna, and you will be a great preacher of our Krsna Consciousness movement.
Srila Prabhupada, Letter to: Mr. DDD — Los Angeles 3 March, 1970