CC Antya 7.41

gopī-gaṇera śuddha-prema aiśvarya-jñāna-hīna
premete bhartsanā kare ei tāra cihna
Synonyms: 
gopī-gaṇera — of the gopīs; śuddha-prema — unalloyed love; aiśvarya-jñāna-hīna — devoid of knowledge of opulences; premete — of pure love; bhartsanā — chastisement; kare — do; ei — this; tāra — of that; cihna — the symptom.
Translation: 
“Obsessed with pure love, without knowledge of opulences, the gopīs sometimes chastise Kṛṣṇa. That is a symptom of pure ecstatic love.