Manusmriti

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यं तु कर्मणि यस्मिन् स न्ययुङ्क्त प्रथमं प्रभुः । स तदेव स्वयं भेजे सृज्यमानः पुनः पुनः ॥ २८ ॥

sanskrit

But to whatever course of action the Lord at first appointed each (kind of beings), that alone it has spontaneously adopted in each succeeding creation.

english translation

yaM tu karmaNi yasmin sa nyayuGkta prathamaM prabhuH | sa tadeva svayaM bheje sRjyamAnaH punaH punaH || 28 ||

hk transliteration by Sanscript