One verse

Bhagavad Gita 2.31

2.31

स्वधर्ममपि चावेक्ष्य न विकम्पितुमर्हसि | धर्म्याद्धि युद्धाच्छ्रेयोऽन्यत्क्षत्रियस्य न विद्यते ||२-३१||

svadharmamapi cāvekṣya na vikampitumarhasi . dharmyāddhi yuddhācchreyo.anyatkṣatriyasya na vidyate ||2-31||

sva-dharmam
one’s own religious principles
api
also
ca
indeed
avekṣya
considering
na
never
vikampitum
to hesitate
arhasi
you deserve
dharmyāt
for religious principles
hi
indeed
yuddhāt
than fighting
śreyaḥ
better engagement
anyat
any other
kṣatriyasya
of the kṣatriya
na
does not
vidyate
exist

Considering your specific duty as a kṣatriya, you should know that there is no better engagement for you than fighting on religious principles; and so there is no need for hesitation.