ahaṁ sarvasya prabhavo
mattaḥ sarvaṁ pravartate
iti matvā bhajante māṁ
budhā bhāva-samanvitāḥ
aham - I, Lord Kṛṣṇa; sarvasya - of everyone; prabhavaḥ - the original source; mattaḥ - from Me; sarvam - everything; pravartate - emanates; iti - thus; matvā - understanding; bhajante - they engage in devotional service; mām - to Me; budhāḥ - those who are learned; bhāva-samanvitāḥ - with love and devotion.
This is a quotation from the Bhagavad-gītā (10.8).