Caitanya-caritāmṛta 15.155
ei-mata tomāra niṣṭhā jānibāra tare tomāre āgraha āmi kailuṅ bāre bāre
[ei-mata tomaara nishthaa jaanibaara tare tomaare aagraha aami kailun baare baare]
Blended reading (Sanskrit + English inline)
ei-mata tomāra niṣṭhā jānibāra tare tomāre āgraha āmi kailuṅ bāre bāre
“ ‘Just to test your firm faith in your Lord, I requested you again and again to change your worship from Lord Rāmacandra to Kṛṣṇa.’
My note
Source: vedabase.io