Visnu has three forms called purusas. The first, Maha-Visnu, is the creator of the total material energy (mahat), the second is Garbhodasayi, who is situated within each universe, and the third is Ksirodasayi, who lives in the heart of every living being

Expressions researched:
"Visnu has three forms called purusas. The first, Maha-Visnu, is the creator of the total material energy (mahat), the second is Garbhodasayi, who is situated within each universe, and the third is Ksirodasayi, who lives in the heart of every living being"

Sri Caitanya-caritamrta

CC Adi-lila

Viṣṇu has three forms called puruṣas. The first, Mahā-Viṣṇu, is the creator of the total material energy [mahat], the second is Garbhodaśāyī, who is situated within each universe, and the third is Kṣīrodaśāyī, who lives in the heart of every living being. He who knows these three becomes liberated from the clutches of māyā.

CC Adi 5.77, Translation and Purport

Viṣṇu has three forms called puruṣas. The first, Mahā-Viṣṇu, is the creator of the total material energy [mahat], the second is Garbhodaśāyī, who is situated within each universe, and the third is Kṣīrodaśāyī, who lives in the heart of every living being. He who knows these three becomes liberated from the clutches of māyā.

This verse appears in the Laghu-bhāgavatāmṛta (Pūrva 2.9), where it has been quoted from the Sātvata-tantra.