Bhagavad Gita · 10.21

आदित्यानामहं विष्णुर्ज्योतिषां रविरंशुमान्।मरीचिर्मरुतामस्मि नक्षत्राणामहं शशी॥

ādityānām ahaṁ viṣhṇur jyotiṣhāṁ ravir aṁśhumān marīchir marutām asmi nakṣhatrāṇām ahaṁ śhaśhī

Among the Adityas, I am Vishnu. Among luminaries, I am the radiant sun. Among the Maruts, I am Marichi. Among the stars, I am the moon.

— Bhagavad Gita 10.21

Source: Sacred-Texts.com (Sanskrit) + Bhagavad-Gita.io (translations)