One verse

Srimad Bhagavatam 5.3.18

5.3.18

तत आग्नीध्रीयेंऽशकलयावतरिष्याम्यात्मतुल्यमनुपलभमान: ॥ १८ ॥

tata agnidhriye ’msa-kalayavatarisyamy atma-tulyam anupalabhamanah.

tatah
therefore
agnidhriye
in the wife of Nabhi, the son of Agnidhra
amsa-kalaya
by an expansion of My personal form
avatarisyami
I shall advent Myself
atma-tulyam
My equal
anupalabhamanah
not finding.

Since I cannot find anyone equal to Me, I shall personally expand Myself into a plenary portion and thus advent Myself in the womb of Merudevi, the wife of Maharaja Nabhi, the son of Agnidhra.