Caitanya-caritāmṛta 6.91
saṅkarṣaṇa-avatāra kāraṇābdhi-śāyī tāṅhāra hṛdaye bhakta-bhāva anuyāyī
[sankarshana-avataara kaaranaabdhi-shaayee taanhaara hridaye bhakta-bhaava anuyaayee]
Blended reading (Sanskrit + English inline)
saṅkarṣaṇa-avatāra kāraṇābdhi-śāyī tāṅhāra hṛdaye bhakta-bhāva anuyāyī
The Viṣṇu who lies on the Causal Ocean is an incarnation of Lord Saṅkarṣaṇa, and, accordingly, the emotion of being a devotee is always present in His heart.
My note
Source: vedabase.io