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Guest: Can you make a child Kṛṣṇa conscious without believing yourself?
Devotee: Can you make a child Kṛṣṇa conscious if you yourself don't believe in Kṛṣṇa consciousness?
Prabhupāda: If you do not believe? If the father does not believe, you mean to say?
Guest: If the father does not feel.
Prabhupāda: Yes, well, everything is individual. Father is individual and child is individual. Just like Hiraṇyakaśipu.
Guest: Yes, but can a father impose on a child something which he does not believe himself?
Prabhupāda: No. Kṛṣṇa consciousness is transcendental position. Once one gets a little touch with Kṛṣṇa consciousness, then he'll make progress. Just like the wick in a firework. Firework, a big, what is called? Potacker?
Prabhupāda: Cracker. The long wick, you just set fire: (makes sound) tli-tli-tli-tli-tli-tli, and when it comes: tung! (laughter) It is like that. You just set up the fire, and then one day he'll become fully Kṛṣṇa conscious.
Devotee (2): So the knowledge is absolute. It works with anyone.
Prabhupāda: Oh, yes. Even if he does not complete, whatever he has done, that is complete. Because it is spiritual; it is not material. In material world, suppose if you want to do something, you have to make the background. And while doing the background, if you could not make further progress, everything is finished. But spiritual work is not like that. From the very beginning, whatever you are doing, that is asset. That is to your credit. Nothing is lost. Svalpam apy asya dharmasya trāyate mahato bhayāt (BG 2.40). Even a little done in spiritual consciousness, that can save you from the greatest danger."
(Srila Prabhupada Conversation, London, July 18, 1973)