Caitanya-caritāmṛta 22.150
iṣṭe svārasikī rāgaḥ paramāviṣṭatā bhavet tan-mayī yā bhaved bhaktiḥ sātra rāgātmikoditā
[ishte svaarasikee raagah paramaavishtataa bhavet tan-mayee yaa bhaved bhaktih saatra raagaatmikoditaa]
Blended reading (Sanskrit + English inline)
iṣṭe svārasikī rāgaḥ paramāviṣṭatā bhavet tan-mayī yā bhaved bhaktiḥ sātra rāgātmikoditā
“ ‘When one becomes attached to the Supreme Personality of Godhead according to one’s natural inclination to love Him and is fully absorbed in thoughts of the Lord, that state is called transcendental attachment, and devotional service according to that attachment is called rāgātmikā, or spontaneous devotional service.’
Purport
This verse is found in the Bhakti-rasāmṛta-sindhu (1.2.272).
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io