One verse

Srimad Bhagavatam 6.11.13

6.11.13

स तं नृपेन्द्राहवकाम्यया रिपुं वज्रायुधं भ्रातृहणं विलोक्य । स्मरंश्च तत्कर्म नृशंसमंह: शोकेन मोहेन हसञ्जगाद ॥ १३ ॥

sa tam nrpendrahava-kamyaya ripum vajrayudham bhratr-hanam vilokya smarams ca tat-karma nr-samsam amhah sokena mohena hasan jagada

sah
he (Vrtrasura)
tam
him (the King of heaven, Indra)
nrpa-indra
O King Pariksit
ahava-kamyaya
with a desire to fight
ripum
his enemy
vajra-ayudham
whose weapon was the thunderbolt (made from the bones of Dadhici)
bhratr-hanam
who was the killer of his brother
vilokya
seeing
smaran
remembering
ca
and
tat-karma
his activities
nr-samsam
cruel
amhah
a great sin
sokena
with lamentation
mohena
by bewilderment
hasan
laughing
jagada
said

O King, when the great hero Vrtrasura saw Indra, his enemy, the killer of his brother, standing before him with a thunderbolt in his hand, desiring to fight, Vrtrasura remembered how Indra had cruelly killed his brother. Thinking of Indra’s sinful activities, he became mad with lamentation and forgetfulness. Laughing sarcastically, he spoke as follows.