rādhā-saṅge yadā bhāti
tadā 'madana-mohanaḥ'
anyathā viśva-moho 'pi
svayaṁ 'madana-mohitaḥ'
rādhā-saṅge - with Śrīmatī Rādhārāṇī; yadā - when; bhāti - shines; tadā - at that time; madana-mohanaḥ - the enchanter of the mind of Cupid; anyathā - otherwise; viśva-mohaḥ - the enchanter of the whole universe; api - even though; svayam - personally; madana-mohitaḥ - enchanted by Cupid.
This is another verse from the Govinda-līlāmṛta (13.32).