Caitanya-caritāmṛta 4.64
sandhinīra sāra aṁśa — ‘śuddha-sattva’ nāma bhagavānera sattā haya yāhāte viśrāma
[sandhineera saara amsha — ‘shuddha-sattva’ naama bhagavaanera sattaa haya yaahaate vishraama]
Blended reading (Sanskrit + English inline)
sandhinīra sāra aṁśa — ‘śuddha-sattva’ nāma bhagavānera sattā haya yāhāte viśrāma
The essential portion of the sandhinī potency is śuddha-sattva. Lord Kṛṣṇa’s existence rests upon it.
My note
Source: vedabase.io