CC Madhya 3.130

‘bal’ ‘bal’ bale, nāce, ānande vihvala
bujhana nā yāya bhāva-taraṅga prabala
Word for word: 
bal bal — speak, speak; bale — the Lord says; nāce — dances; ānande — in pleasure; vihvala — overwhelmed; bujhana — understanding; nā yāya — not possible; bhāva-taraṅga — the waves of ecstasy; prabala — powerful.
Translation: 
Upon standing up, the Lord said, “Go on speaking! Go on speaking!” Thus He began to dance, overwhelmed with pleasure. No one could understand the strong waves of this ecstasy.