One verse

Srimad Bhagavatam 10.89.29

10.89.29

अहं प्रजा: वां भगवन् रक्षिष्ये दीनयोरिह । अनिस्तीर्णप्रतिज्ञोऽग्निं प्रवेक्ष्ये हतकल्मष: ॥ २९ ॥

ahaṁ prajāḥ vāṁ bhagavan rakṣiṣye dīnayor iha anistīrṇa-pratijño ’gniṁ pravekṣye hata-kalmaṣaḥ

aham
I
prajāḥ
the offspring
vām
of you two (you and your wife)
bhagavan
O lord
rakṣiṣye
will protect
dīnayoḥ
who are wretched
iha
in this matter
anistīrṇa
failing to fulfill
pratijñaḥ
my promise
agnim
fire
pravekṣye
I will enter
hata
destroyed
kalmaṣaḥ
whose contamination

“My lord, I will protect the progeny of you and your wife, who are in such distress. And if I fail to keep this promise, I will enter fire to atone for my sin.”