Srimad Bhagavatam Canto 10, Chapter 85, Text 57

SB 10.85.57

tam drstva devaki devi
 mrtagamana-nirgamam
mene su-vismita mayam
 krsnasya racitam nrpa
 
Translation: 
 
Seeing her sons return from death and then depart again, saintly Devaki was struck with wonder, O King. She concluded that this was all simply an illusion created by Krsna.
Srimad Bhagavatam Canto 10, Chapter 85, Text 55-56
Srimad Bhagavatam Canto 10, Chapter 85, Text 58