Adhyāya 7Ch 7•Verse 10
"O son of Pritha, know that I am the original seed ..."
Adhyāya 7 • Shloka 10
बीजं मां सर्वभूतानां विद्धि पार्थ सनातनम् | बुद्धिर्बुद्धिमतामस्मि तेजस्तेजस्विनामहम् || १० ||
bījaṃ māṃ sarva-bhūtānāṃ viddhi pārtha sanātanam | buddhir buddhimatām asmi tejas tejasvinām aham || 10 ||
"O son of Pritha, know that I am the original seed of all existences, the intelligence of the intelligent, and the prowess of all powerful men."