Skandapurana 1.4.25.56

1.4.25.56

praṇamya sarvabhūtāni prārthayāmyasmi duṣkaram..
bhaktyā bhajadhvamīśānaṃ yasyā bhakteridaṃ phalam.. 27.56 ..

“Bowing down to all beings, I make this difficult prayer: / worship Īśāna with devotion, for of that devotion this is the fruit!”