Bhagawat Gita – Chapter 15 : Puruṣhottam Yog > Verse 12
यदादित्यगतं तेजो जगद्भासयतेऽखिलम् |
यच्चन्द्रमसि यच्चाग्नौ तत्तेजो विद्धि मामकम् || 12||
Know that I am like the brilliance of the sun that illuminates the entire solar system. The radiance of the moon and the brightness of the fire also come from me.