Bhagavad Gita 11.12
दिवि सूर्यसहस्रस्य भवेद्युगपदुत्थिता। यदि भाः सदृशी सा स्याद्भासस्तस्य महात्मनः।।11.12।।
divi sūryasahasrasya bhavedyugapadutthitā| yadi bhāḥ sadṛśī sā syādbhāsastasya mahātmanaḥ||11.12||
divi suryasahasrasya bhavedyugapadutthita yadi bhah sadrishi sa syadbhasastasya mahatmanah11.12
Meaning
Were a thousand suns to rise together in the sky, their combined radiance might approach — yet still fall short of — the boundless brilliance of that supreme, all-encompassing form.
आकाश में सहस्र सूर्यों के एक साथ उदय होने से उत्पन्न जो प्रकाश होगा, वह उस (विश्वरूप) परमात्मा के प्रकाश के सदृश होगा।
This is verse 12 of 55 in Chapter 11 (Vishwaroopa Darshana Yoga) of the Bhagavad Gita.