CC Madhya 19.171
yathā gaṅgāmbhaso ’mbudhau
mat — of Me; guṇa — of the qualities; śruti-mātreṇa — only by hearing; mayi — to Me; sarva-guhā — in all hearts; āśaye — who am situated; manaḥ-gatiḥ — the movement of the mind; avicchinnā — unobstructed; yathā — just as; gaṅgā-ambhasaḥ — of the celestial waters of the Ganges; ambudhau — to the ocean.
“ ‘Just as the celestial waters of the Ganges flow unobstructed into the ocean, so when My devotees simply hear of Me, their minds come to Me. I reside in the hearts of all.
This verse and the following three verses are quoted from Śrīmad-Bhāgavatam (3.29.11-14). They were spoken by Lord Kṛṣṇa in the form of Kapiladeva.