avatÄrÄ hy asaá¹…khyeyÄ
hareḥ sattva-nidher dvijÄḥ
yathÄ 'vidÄsinaḥ kulyÄḥ
sarasaḥ syuḥ sahasraśaḥ
avatÄrÄḥ - all the incarnations; hi - certainly; asaá¹…khyeyÄḥ - beyond counting; hareḥ - from the Supreme Personality of Godhead; sattva-nidheḥ - who is the reservoir of spiritual energy; dvijÄḥ - O brÄhmaṇas; yathÄ - as; avidÄsinaḥ - containing a great reservoir of water; kulyÄḥ - small rivulets; sarasaḥ - from a lake; syuḥ - must be; sahasraÅ›aḥ - by hundreds and thousands of times.
This verse is quoted from ÅšrÄ«mad-BhÄgavatam (1.3.26).