One verse

Srimad Bhagavatam 10.46.31

10.46.31

एतौ हि विश्वस्य च बीजयोनी रामो मुकुन्द: पुरुष: प्रधानम् । अन्वीय भूतेषु विलक्षणस्य ज्ञानस्य चेशात इमौ पुराणौ ॥ ३१ ॥

etau hi viśvasya ca bīja-yonī rāmo mukundaḥ puruṣaḥ pradhānam anvīya bhūteṣu vilakṣaṇasya jñānasya ceśāta imau purāṇau

etau
these two
hi
indeed
viśvasya
of the universe
ca
and
bīja
the seed
yonī
and the womb
rāmaḥ
Lord Balarāma
mukundaḥ
Lord Kṛṣṇa
puruṣaḥ
the creating Lord
pradhānam
His creative energy
anvīya
entering
bhūteṣu
within all living beings
vilakṣaṇasya
confused or perceiving
jñānasya
knowledge
ca
and
īśāte
control
imau
They
purāṇau
primeval

These two Lords, Mukunda and Balarāma, are each the seed and womb of the universe, the creator and His creative potency. They enter the hearts of living beings and control their conditioned awareness. They are the primeval Supreme.