ko vetti bhūman bhagavan parātman
yogeśvarotīr bhavatas tri-lokyām
kva vā kathaṁ vā kati vā kadeti
vistārayan krīḍasi yoga-māyām
kaḥ - who; vetti - knows; bhūman - O supreme great one; bhagavan - O Supreme Personality of Godhead; para-ātman - O Supersoul; yoga-īśvara - O master of mystic power; ūtīḥ - pastimes; bhavataḥ - of Your Lordship; tri-lokyām - in the three worlds; kva - where; vā - or; katham - how; vā - or; kati - how many; vā - or; kadā - when; iti - thus; vistārayan - expanding; krīḍasi - You play; yoga-māyām - spiritual energy.
This verse is quoted from Śrīmad-Bhāgavatam (10.14.21).