CC Madhya 22.101

tavāsmīti vadan vācā
tathaiva manasā vidan
tat-sthānam āśritas tanvā
modate śaraṇāgataḥ
Synonyms: 
tava — Yours; asmi — I am; iti — thus; vadan — saying; vācā — by words; tathā — so; eva — certainly; manasā — with the mind; vidan — knowing; tat-sthānam — His place; āśritaḥ — taken shelter of; tanvā — by the body; modate — he enjoys; śaraṇa-āgataḥ — fully surrendered.
Translation: 
“ ‘One whose body is fully surrendered takes shelter at the holy place where Kṛṣṇa had His pastimes, and he prays to the Lord, “My Lord, I am Yours.” Understanding this with his mind, he enjoys spiritual bliss.’
Purport: 

The last two verses appear in the Hari-bhakti-vilāsa (11.417-18).