Prabhupāda: Then Sanātana Gosvāmī told him, "Would you like to take that?" "Yes, sir. I have come for that purpose." So he asked him, "First of all, throw away the stone in the Yamunā River." So he threw away the stone. "Sit down and chant Hare Kṛṣṇa."
Devotees: Oh! (Laughter.)
Prabhupāda: "Forget everything. Sit down with me and chant Hare Kṛṣṇa."
Gargamuni: He did it?
Prabhupāda: Yes. Because he associated with sādhu, Lord Śiva, Sanātana Gosvāmī. So everything was purified, changed. By association, good association, everything is possible. Therefore you have to make this association of Kṛṣṇa consciousness so perfect that anyone who comes in contact with that association, he becomes purified automatically. The association is so important. Anyone who will come in contact with the association, he'll be purified. Just like by association one becomes contaminated, similarly, by counter-association, one becomes free from contamination.