Kāraṇārṇavaśāyī Viṣṇu is the first incarnation of the Supreme Lord, and He is the master of eternal time, space, cause and effects, mind, the elements, the material ego, the modes of nature, the senses, the universal form of the Lord, Garbhodakaśāyī Viṣṇu, and the sum total of all living beings, both moving and nonmoving.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
अहं भवो यज्ञ इमे प्रजेशा दक्षादयो ये भवदादयश्च । स्वर्लोकपालाः खगलोकपाला नृलोकपालास्तललोकपालाः
ahaṃ bhavo yajña ime prajeśā dakṣādayo ye bhavadādayaśca | svarlokapālāḥ khagalokapālā nṛlokapālāstalalokapālāḥ
SB 2.6.42