Bhagavad Gita 7.10
बीजं मां सर्वभूतानां विद्धि पार्थ सनातनम्।
बुद्धिर्बुद्धिमतामस्मि तेजस्तेजस्विनामहम्।।7.10।।
Bijam mam sarvabhutanam viddhi partha sanatanam
Buddhirbuddhimatamasmi tejastejasvinamaham
Simple meaning, written by AIKnow, O Partha, that I am the eternal seed of all beings; I am the intelligence of the intelligent and the brilliance of the brilliant.