Prabhupada Letters :: 1970.

"Lord Caitanya has warned. Don't mix with any Swami who has no knowledge of Krsna Consciousness. Their speaking is simply maya. Anyone who listens to their philosophy is doomed, all devotion dries up."

Prabhupada Letters :: 1968.

"Krishna Consciousness is so nice one forgets his material designations and tries to associate with similar Krishna consciousness persons। That means melted on the pure spiritual platform. We hope to bring everyone to such spiritual platform."