Prabhupāda: Kṛṣṇa says, satataṁ kīrtayanto mām. Why.... Never said that "You become silent." Where is? Can you show me any verse in the Bhagavad-gītā? Huh? Can you show me any verse where Kṛṣṇa has advised that you become silent? Or the mind is vacant? Where these things...
Tamāla Kṛṣṇa: Man-manā bhava mad-bhakto.
Prabhupāda: Huh. Man-manā bhava mad-bhakto: "The mind should be absorbed in My thought," man-manā. That is recommended. Where does He say that "Make your mind vacant and think of nonsense"? He never says. And where does He say that you become silent? He never says.