How can the people in general recognize when a devotee is pure?

Expressions researched:
"How can the people in general recognize when a devotee is pure"

Srimad-Bhagavatam Lectures

I have already described. He has no material desire, except to serve Kṛṣṇa, or God. That is devotee. That is pure devotee.

Lecture on SB 1.1.3 -- Caracas, February 24, 1975:

Man: (Hṛd.) How can the people in general recognize when a devotee is pure?

Prabhupāda: That is, I have already described. He has no material desire, except to serve Kṛṣṇa, or God. That is devotee. That is pure devotee. So that's all right, chant Hare Kṛṣṇa. (end)