TRANSLATION

" 'Karanabdhisayi Visnu [Maha-Visnu] is the first incarnation of the Supreme Lord, and He is the master of eternal time, space, cause and effects, mind, elements, material ego, modes of nature, senses, the universal form of the Lord, Garbhodakasayi Visnu, and the sum total of all living beings, both moving and nonmoving.'

This is a quotation from Srimad-Bhagavatam (2.6.42). For an explanation, refer to Adi-lila, Chapter Five, verse 83.