One verse

Srimad Bhagavatam 1.8.33

1.8.33

अपरे वसुदेवस्य देवक्यां याचितोऽभ्यगात् । अजस्त्वमस्य क्षेमाय वधाय च सुरद्विषाम् ॥ ३३ ॥

apare vasudevasya devakyam yacito ’bhyagat ajas tvam asya ksemaya vadhaya ca sura-dvisam

apare
others
vasudevasya
of Vasudeva
devakyam
of Devaki
yacitah
being prayed for
abhyagat
took birth
ajah
unborn
tvam
You are
asya
of him
ksemaya
for the good
vadhaya
for the purpose of killing
ca
and
sura-dvisam
of those who are envious of the demigods.

Others say that since both Vasudeva and Devaki prayed for You, You have taken Your birth as their son. Undoubtedly You are unborn, yet You take Your birth for their welfare and to kill those who are envious of the demigods.