One verse

Srimad Bhagavatam 10.4.12

10.4.12

किं मया हतया मन्द जात: खलु तवान्तकृत् । यत्र क्‍व वा पूर्वशत्रुर्मा हिंसी: कृपणान् वृथा ॥ १२ ॥

kiṁ mayā hatayā manda jātaḥ khalu tavānta-kṛt yatra kva vā pūrva-śatrur mā hiṁsīḥ kṛpaṇān vṛthā

kim
what is the use
mayā
me
hatayā
in killing
manda
O you fool
jātaḥ
has already been born
khalu
indeed
tava anta-kṛt
who will kill you
yatra kva vā
somewhere else
pūrva-śatruḥ
your former enemy
mā
do not
hiṁsīḥ
kill
kṛpaṇān
other poor children
vṛthā
unnecessarily

O Kaṁsa, you fool, what will be the use of killing me? The Supreme Personality of Godhead, who has been your enemy from the very beginning and who will certainly kill you, has already taken His birth somewhere else. Therefore, do not unnecessarily kill other children.