From the mouth of Brahma, the brahminical order has come into existence. Similarly, from his arms the ksatriyas have come, from his waist the vaisyas have come, and from his legs the sudras have come

Expressions researched:
"From the mouth of Brahmā, the brahminical order has come into existence. Similarly, from his arms the kṣatriyas have come, from his waist the vaiśyas have come, and from his legs the śūdras have come"

Sri Caitanya-caritamrta

CC Madhya-lila

From the mouth of Brahmā, the brahminical order has come into existence. Similarly, from his arms the kṣatriyas have come, from his waist the vaiśyas have come, and from his legs the śūdras have come. These four orders and their spiritual counterparts [brahmacarya, gṛhastha, vānaprastha and sannyāsa] combine to make human society complete.

CC Madhya 22.27, Translation

From the mouth of Brahmā, the brahminical order has come into existence. Similarly, from his arms the kṣatriyas have come, from his waist the vaiśyas have come, and from his legs the śūdras have come. These four orders and their spiritual counterparts [brahmacarya, gṛhastha, vānaprastha and sannyāsa] combine to make human society complete.