One verse

Bhagavad Gita 18.47

18.47

श्रेयान्स्वधर्मो विगुणः परधर्मात्स्वनुष्ठितात् | स्वभावनियतं कर्म कुर्वन्नाप्नोति किल्बिषम् ||१८-४७||

śreyānsvadharmo viguṇaḥ paradharmātsvanuṣṭhitāt . svabhāvaniyataṃ karma kurvannāpnoti kilbiṣam ||18-47||

śreyān
better
sva-dharmaḥ
one’s own occupation
viguṇaḥ
imperfectly performed
para-dharmāt
than another’s occupation
su-anuṣṭhitāt
perfectly done
svabhāva-niyatam
prescribed according to one’s nature
karma
work
kurvan
performing
na
never
āpnoti
achieves
kilbiṣam
sinful reactions

It is better to engage in one’s own occupation, even though one may perform it imperfectly, than to accept another’s occupation and perform it perfectly. Duties prescribed according to one’s nature are never affected by sinful reactions.