Chapter 7 · verse 10 · gita.yoga.org

Bhagavad Gita 7.10

बीजं मां सर्वभूतानां विद्धि पार्थ सनातनम्। बुद्धिर्बुद्धिमतामस्मि तेजस्तेजस्विनामहम्

Know Me, O Arjuna, as the eternal seed of all beings; I am the intelligence of the intelligent, and the splendour of the splendid objects.