Prabhupāda: Our instruction is free. I want to see that they are doing it and they are happy, that's all. Rādhā-kṛṣṇa bolo, saṅge calo, ei-mātra bhikhā cāi (from Gītāvalī), this Bhaktivinoda's, "You simply chant Hare Kṛṣṇa and come with me. This much I want. I don't want anything else."
Śyāmasundara: So one who is mad after something else material, mad after this or that . . .
Prabhupāda: It is perverted.
Śyāmasundara: And he must transfer his love . . . madness to Kṛṣṇa.
Prabhupāda: That madness should be for Kṛṣṇa.
Śyāmasundara: So how is that madness transferred?
Prabhupāda: By this devotional service. You practice it to love Kṛṣṇa. And then when you come to the actual stage, you will be mad after Kṛṣṇa. This is the process to bring to you . . . bring you to the platform.
Śyāmasundara: No other way can replace . . .
Prabhupāda: Bhaktyā mām abhijānāti (BG 18.55): by devotional service. Neither by jñāna, yoga, karma, no, that will not touch. You cannot become mad after Kṛṣṇa by any means except by this devotional service. Therefore, we are so much conservative. Because if we are actually after Kṛṣṇa, then you must accept the real method.