Prabhupada Letters :: 1967.

"Reject all idle talks. A Krishna Conscious person must be seen by ears and not by the eyes. One should try to know the depth of realization by a Krishna conscious person."

Prabhupada Letters :: 1970.

"If somebody is dogmatic and blind follower, then avoid to discuss with them। Better spend that time for enlightening a person who is innocent. Do not enter into the details of New Testament, simply say we agree that God is great."

Śrī Brahma-saṁhitā, Lecture New York, July 28, 1971.

"Govindam ādi-puruṣam tam ahaṁ bhajāmi ।We are worshiping the original person, ādi-puruṣam। Original person... As we are all persons, our origin is also a person. We should always understand this. Ādi-puruṣam. The same example. Unless my forefather was a person, how his son, his son, his son—I am the last—we are persons? So the original father, the supreme father, or God, or Kṛṣṇa, must be a person, not imperson. We should always remember. Govindam ādi-puruṣam tam ahaṁ bhajāmi".

We are worshiping the original person, original person... As we are all persons, our origin is also a person। We should always understand this. The same example. Unless my forefather was a person, how his son, his son, his son—I am the last—we are persons? So the original father, the supreme father, or God, or Kṛṣṇa, must be a person, not imperson. We should always remember.

Prabhupada Letters :: 1975.

"There are many examples in history of persons who have been very much disabled but have also executed Krishna Consciousness। So, you should follow their example."