Prabhupada Letters :: 1970.

"The communist goal is to achieve a paradise on earth - so what kind of paradise can they achieve? Any society without religion is animal society. Without God-centered society, the whole thing is dog-centered society."

Prabhupada Letters :: 1972.

"So now you have got the right Spiritual Master, and the process I've given you, so now it is up to you. If you really want to achieve the goal then become very serious and do not be distracted by anything false."