Srimad Bhagavatam Canto 07, Chapter 07, Text 13

SB 7.7.13

tathety avatsid devarser
 antike sakuto-bhaya
yavad daitya-patir ghorat
 tapaso na nyavartata
 
Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada: 
 
After accepting the instructions of Devarsi Narada, 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 Bhagavatam Canto 07, Chapter 07, Text 12
Srimad Bhagavatam Canto 07, Chapter 07, Text 14