When Lord Vāsudeva, the Supreme Personality of Godhead, appears in their hearts in His transcendental form of goodness, the remaining citizens will abundantly repopulate the earth.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तेषां प्रजाविसर्गश्च स्थविष्ठः सम्भविष्यति । वासुदेवे भगवति सत्त्वमूर्तौ हृदि स्थिते
teṣāṃ prajāvisargaśca sthaviṣṭhaḥ sambhaviṣyati | vāsudeve bhagavati sattvamūrtau hṛdi sthite
SB 12.2.22