One verse

Srimad Bhagavatam 4.7.50

4.7.50

श्रीभगवानुवाच अहं ब्रह्मा च शर्वश्च जगत: कारणं परम् । आत्मेश्वर उपद्रष्टा स्वयंद‍ृगविशेषण: ॥ ५० ॥

sri-bhagavan uvaca aham brahma ca sarvas ca jagatah karanam param atmesvara upadrasta svayan-drg avisesanah

sri-bhagavan
Lord Visnu
uvaca
said
aham
I
brahma
Brahma
ca
and
sarvah
Lord Siva
ca
and
jagatah
of the material manifestation
karanam
cause
param
supreme
atma-isvarah
the Supersoul
upadrasta
the witness
svayam-drk
self-sufficient
avisesanah
there is no difference.

Lord Visnu replied: Brahma, Lord Siva and I are the supreme cause of the material manifestation. I am the Supersoul, the self sufficient witness. But impersonally there is no difference between Brahma, Lord Siva and Me.