One verse

Srimad Bhagavatam 10.2.21

10.2.21

किमद्य तस्मिन् करणीयमाशु मेयदर्थतन्त्रो न विहन्ति विक्रमम् । स्त्रिया: स्वसुर्गुरुमत्या वधोऽयंयश: श्रियं हन्त्यनुकालमायु: ॥ २१ ॥

kim adya tasmin karaṇīyam āśu me yad artha-tantro na vihanti vikramam striyāḥ svasur gurumatyā vadho ’yaṁ yaśaḥ śriyaṁ hanty anukālam āyuḥ

kim
what
adya
now, immediately
tasmin
in this situation
karaṇīyam
is to be done
āśu
without delay
me
my duty
yat
because
artha-tantraḥ
the Supreme Personality of Godhead, who is always determined to protect the sādhus and kill the asādhus
na
does not
vihanti
give up
vikramam
His prowess
striyāḥ
of a woman
svasuḥ
of my sister
guru-matyāḥ
especially when she is pregnant
vadhaḥ ayam
the killing
yaśaḥ
fame
śriyam
opulence
hanti
will vanquish
anukālam
forever
āyuḥ
and the duration of life

Kaṁsa thought: What is my duty now? The Supreme Lord, who knows His purpose will not give up His prowess. Devakī is a woman, she is my sister, and moreover she is now pregnant. If I kill her, my reputation, opulence and duration of life will certainly be vanquished.