CC Ādi 4.142

man-mādhurya rādhāra prema — doṅhe hoḍa kari’
kṣaṇe kṣaṇe bāḍe doṅhe, keha nāhi hāri
Word for word: 
mat-mādhurya — My sweetness; rādhāra — of Śrīmatī Rādhārāṇī; prema — the love; doṅhe — both together; hoḍa kari’ — challenging; kṣaṇe kṣaṇe — every second; bāḍe — increase; doṅhe — both; keha nāhi — no one; hāri — defeated.
Translation: 
“There is constant competition between My sweetness and the mirror of Rādhā’s love. They both go on increasing, but neither knows defeat.