Bhagavad Gita 11.12

दिवि सूर्यसहस्रस्य भवेद्युगपदुत्थिता।यदि भाः सदृशी सा स्याद्भासस्तस्य महात्मनः ॥११.१२॥

divi sūryasahasrasya bhavedyugapadutthitāyadi bhāḥ sadṛśī sā syādbhāsastasya mahātmanaḥ

If the splendour of a thousand suns were to blaze out simultaneously in the sky, that would be the splendour of that mighty being.

गीता