This (CC Madhya 9.143) is a verse from Srimad-Bhagavatam - SB 1.3.28

Expressions researched:
"This is a verse from Śrīmad-Bhāgavatam"

Sri Caitanya-caritamrta

CC Madhya-lila

This is a verse from Śrīmad-Bhāgavatam (SB 1.3.28).

CC Madhya 9.143, Translation and Purport

“‘All these incarnations of Godhead are either plenary portions or parts of the plenary portions of the puruṣa-avatāras. But Kṛṣṇa is the Supreme Personality of Godhead Himself. In every age He protects the world through His different features when the world is disturbed by the enemies of Indra.’

This is a verse from Śrīmad-Bhāgavatam (SB 1.3.28).