Srimad-Bhagavatam: Canto 2 - Chapter 9 - Verse 8
Srimad-Bhagavatam: Canto 2 - Chapter 1 - Verse 8 Sanskrit: दिव्यं सहस्राब्दममोघदर्शनोजितानिलात्मा विजितोभयेन्द्रिय: ।अतप्यत स्माखिललोकतापनंतपस्तपीयांस्तपतां समाहित: ॥ ८ ॥ ITRANS: divyaṁ sahasrābdam amogha-darśanojitānilātmā vijitobhayendriyaḥatapyata smākhila-loka-tāpanaṁtapas tapīyāṁs tapatāṁ samāhitaḥ Translation: Lord Brahmā underwent penances for one thousand years by the calculations of the demigods. He heard this transcendental vibration from the sky, and he accepted it as divine. Thus he controlled his mind and senses, and the penances he executed were a great lesson for the living entities....