One verse

Bhagavad Gita 3.35

3.35

श्रेयान्स्वधर्मो विगुणः परधर्मात्स्वनुष्ठितात् | स्वधर्मे निधनं श्रेयः परधर्मो भयावहः ||३-३५||

śreyānsvadharmo viguṇaḥ paradharmātsvanuṣṭhitāt . svadharme nidhanaṃ śreyaḥ paradharmo bhayāvahaḥ ||3-35||

śreyān
far better
sva-dharmaḥ
one’s prescribed duties
viguṇaḥ
even faulty
para-dharmāt
than duties mentioned for others
su-anuṣṭhitāt
perfectly done
sva-dharme
in one’s prescribed duties
nidhanam
destruction
śreyaḥ
better
para-dharmaḥ
duties prescribed for others
bhaya-āvahaḥ
dangerous

It is far better to discharge one’s prescribed duties, even though faultily, than another’s duties perfectly. Destruction in the course of performing one’s own duty is better than engaging in another’s duties, for to follow another’s path is dangerous.