CC Antya 18.15

bhaktera prema-vikāra dekhi’ kṛṣṇera camatkāra!
kṛṣṇa yāra nā pāya anta, kebā chāra āra?
Synonyms: 
bhaktera — of a devotee; prema-vikāra — transformations of ecstatic emotion; dekhi’ — seeing; kṛṣṇera — of Lord Kṛṣṇa; camatkāra — wonder; kṛṣṇa — Lord Kṛṣṇa; yāra — of which; pāya — cannot get; anta — the limit; kebā — who; chāra — insignificant; āra — others.
Translation: 
Even Lord Kṛṣṇa is struck with wonder at seeing the transformations of ecstasy in His devotees. If Kṛṣṇa Himself cannot estimate the limits of such emotions, how could others?