Skandapurana 5.263.40

5.263.40

maheśvaro vā madhukaiṭabhārirhṛdyāśrito dhyānamayo'dvitīyaḥ..
abhedabuddhyā paramārtihaṃtā ripuḥ sa evātipriyo bhavettataḥ..6.264.40..

“Whether Maheśvara or the enemy of Madhu and Kaiṭabha, dwelling in the heart, consisting of meditation, without a second— / by a mindset of non-duality, the destroyer of supreme distress, even an enemy, becomes exceedingly dear from that.”