After accepting the instructions of Devarṣi Nārada, my mother stayed in his care, without fear from any direction, as long as my father, the King of the Daityas, had not become free from his severe austerities.
Srimad Bhagavata Purana
श्रीमद्भागवतमहापुराणम्
मूल श्लोकः
तथेत्यवात्सीद्देवर्षेरन्ति साप्यकुतोभया । यावद्दैत्यपतिर्घोरात्तपसा न न्यवर्तत
tathetyavātsīddevarṣeranti sāpyakutobhayā | yāvaddaityapatirghorāttapasā na nyavartata
SB 7.7.13