Theirs is an imperceptible, inconceivable deep internal devotion that is beyond any explanation! For the past several births there would a relationship that has developed between Swamiji and them. Due to this, the moment they hear about Swamiji they begin to think about Him and worship Him with feelings of complete oneness. This is exactly as Jambavanta developed devotion towards Sri Krishna just upon hearing about Him. Such persons are extremely lucky. They will achieve liberation (jeevanmukti).
– Glimpses of Bhaktimala 4