One verse

Srimad Bhagavatam 6.11.15

6.11.15

यो नोऽग्रजस्यात्मविदो द्विजाते- र्गुरोरपापस्य च दीक्षितस्य । विश्रभ्य खड्‍गेन शिरांस्यवृश्चत् पशोरिवाकरुण: स्वर्गकाम: ॥ १५ ॥

yo no ’grajasyatma-vido dvijater guror apapasya ca diksitasya visrabhya khadgena siramsy avrscat pasor ivakarunah svarga-kamah

yah
he who
nah
our
agra-jasya
of the elder brother
atma-vidah
who was fully self-realized
dvi-jateh
a qualified brahmana
guroh
your spiritual master
apapasya
free from all sinful activities
ca
also
diksitasya
appointed as the initiator of your yajna
visrabhya
trustfully
khadgena
by your sword
siramsi
the heads
avrscat
cut off
pasoh
of an animal
iva
like
akarunah
merciless
svarga-kamah
desiring the heavenly planets

Only for the sake of living in the heavenly planes, you killed my elder brother—a self-realized, sinless, qualified brahmana who had been appointed your chief priest. He was your spiritual master, but although you entrusted him with the performance of your sacrifice, you later mercilessly severed his heads from his body the way one butchers an animal.