Srimad-Bhagavatam: Canto 3 - Chapter 1 - Verse 21
Sanskrit:
अथाभिध्यायत: सर्गं दश पुत्रा: प्रजज्ञिरे ।भगवच्छक्तियुक्तस्य लोकसन्तानहेतव: ॥ २१ ॥
ITRANS:
athābhidhyāyataḥ sargaṁdaśa putrāḥ prajajñirebhagavac-chakti-yuktasyaloka-santāna-hetavaḥ
Translation:
Brahmā, who was empowered by the Supreme Personality of Godhead, thought of generating living entities and begot ten sons for the extension of the generations.