Chapter 9 · verse 21 · gita.yoga.org

Bhagavad Gita 9.21

ते तं भुक्त्वा स्वर्गलोकं विशालं क्षीणे पुण्ये मर्त्यलोकं विशन्ति। एव त्रयीधर्ममनुप्रपन्ना गतागतं कामकामा लभन्ते

They, having enjoyed the vast heaven, enter the world of mortals when their merit is exhausted; thus abiding by the injunctions of the three (Vedas) and desiring objects of desires, they attain to the state of coming and going.