Srimad Bhagavatam Canto 10, Chapter 82, Text 37

SB 10.82.37

ka vismareta vam maitrim
 anivrttam vrajesvari
avapyapy aindram aisvaryam
 yasya neha pratikriya
 
Translation: 
 
[Rohini and Devaki said:] What woman could forget the unceasing friendship you and Nanda have shown us, dear Queen of Vraja? There is no way to repay you in this world, even with the wealth of Indra.
Srimad Bhagavatam Canto 10, Chapter 82, Text 36
Srimad Bhagavatam Canto 10, Chapter 82, Text 38