One verse

Srimad Bhagavatam 12.11.30

12.11.30

एक एव हि लोकानां सूर्य आत्मादिकृद्धरि: । सर्ववेदक्रियामूलमृषिभिर्बहुधोदित: ॥ ३० ॥

eka eva hi lokānāṁ sūrya ātmādi-kṛd dhariḥ sarva-veda-kriyā-mūlam ṛṣibhir bahudhoditaḥ

ekaḥ
one
eva
only
hi
indeed
lokānām
of the worlds
sūryaḥ
the sun
ātmā
their soul
ādi-kṛt
the original creator
hariḥ
the Personality of Godhead, Hari
sarva-veda
in all the Vedas
kriyā
of the ritualistic activities
mūlam
the basis
ṛṣibhiḥ
by the sages
bahudhā
variously
uditaḥ
designated

The sun-god, being nondifferent from Lord Hari, is the one soul of all the worlds and their original creator. He is the source of all the ritualistic activities prescribed in the Vedas and has been given many names by the Vedic sages.