Ujjvalanilamani 11.82

11.82

yathā vā vidagdha-mādhave (5.31)-
kaṭhorā bhava mṛdvī vā prāṇās tvam asi rādhike |
asti nānyā cakorasya candralekhāṃ vinā gatiḥ //

Or as in the Vidagdhamādhava (5.31):
Be harsh or be gentle, you are my very life, O Rādhike!
The cakora bird has no other recourse except the crescent moon.