Shiva Purana
हेतुभूतस्समस्तस्य प्रकृतिस्सा परा मुने ॥ अंडानां तु सहस्राणां सहस्राण्ययुतानि च ॥ २४ ॥
O sage that supreme nature is the cause of all things There were thousands and thousands of eggs.
english translation
hetubhUtassamastasya prakRtissA parA mune ॥ aMDAnAM tu sahasrANAM sahasrANyayutAni ca ॥ 24 ॥
hk transliteration by Sanscript