By His Divine Grace A. C. Bhaktivedānta Swami Prabhupāda
Śravana means hearing. And one who has heard nicely, his next stage will be kīrtanam. Just like our boys who have heard a little nicely, now they are very eager to chant, going from street to street. This is natural sequence.
It is not that you hear, but you remain stopped. No. The next stage will be kīrtanam – either by chanting vibration or by writing or by speaking or by preaching, the kīrtana will be there. So śravanam kīrtanam, first hearing and then chanting. And hearing and chanting about whom? About Vishnu, not for any nonsense.
Śravanam kīrtanam visnoh. These things are stated in the śāstra. The ordinary people are also engaged in hearing and chanting. They are hearing in the newspaper of some politician, and the whole day they are discussing and chanting, “Oh, this man is going to be elected. This man is going to be elected.” So hearing and chanting is there everywhere. But if you want spiritual salvation, then you have to hear and chant about Vishnu, nobody else.
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