One verse

Srimad Bhagavatam 3.29.8

3.29.8

अभिसन्धाय यो हिंसां दम्भं मात्सर्यमेव वा । संरम्भी भिन्नद‍ृग्भावं मयि कुर्यात्स तामस: ॥ ८ ॥

abhisandhaya yo himsam dambham matsaryam eva va samrambhi bhinna-drg bhavam mayi kuryat sa tamasah

abhisandhaya
having in view
yah
he who
himsam
violence
dambham
pride
matsaryam
envy
eva
indeed
va
or
samrambhi
angry
bhinna
separate
drk
whose vision
bhavam
devotional service
mayi
to Me
kuryat
may do
sah
he
tamasah
in the mode of ignorance.

Devotional service executed by a person who is envious, proud, violent and angry, and who is a separatist, is considered to be in the mode of darkness.