Verse
ज्योतिषामपि तज्ज्योतिस् तमसः परमुच्यते ।ज्ञानं ज्ञेयं ज्ञानगम्यं हृदि सर्वस्य विष्ठितम् ॥
He is the light of all lights and luminous beyond all the darkness of our ignorance. He is knowledge and the object of knowledge. He is seated in the hearts of all.
Gītā 13·18