CC Ādi 4.223

sei rasa āsvādite kaila avatāra
ānusaṅge kaila saba rasera pracāra
Word for word: 
sei — that; rasa — mellow; āsvādite — to taste; kaila — made; avatāra — incarnation; ānusaṅge — as a secondary motive; kaila — did; saba — all; rasera — of mellows; pracāra — broadcasting.
Translation: 
He made His appearance to taste that conjugal mellow and incidentally to broadcast all the rasas.