One verse

Bhagavad Gita 13.18

13.18

ज्योतिषामपि तज्ज्योतिस्तमसः परमुच्यते | ज्ञानं ज्ञेयं ज्ञानगम्यं हृदि सर्वस्य विष्ठितम् ||१३-१८||

jyotiṣāmapi tajjyotistamasaḥ paramucyate . jñānaṃ jñeyaṃ jñānagamyaṃ hṛdi sarvasya viṣṭhitam ||13-18||

jyotiṣām
in all luminous objects
api
also
tat
that
jyotiḥ
the source of light
tamasaḥ
the darkness
param
beyond
ucyate
is said
jñānam
knowledge
jñeyam
to be known
jñāna-gamyam
to be approached by knowledge
hṛdi
in the heart
sarvasya
of everyone
viṣṭhitam
situated

He is the source of light in all luminous objects. He is beyond the darkness of matter and is unmanifested. He is knowledge, He is the object of knowledge, and He is the goal of knowledge. He is situated in everyone’s heart.