Manusmriti

siva.sh/manusmriti/8/348

शस्त्रं द्विजातिभिर्ग्राह्यं धर्मो यत्रोपरुध्यते । द्विजातीनां च वर्णानां विप्लवे कालकारिते ॥ ३४८ ॥

sanskrit

Twice-born men may take up arms when (they are) hindered (in the fulfilment of their duties, when destruction (threatens) the twice-born castes (varna) in (evil) times,

english translation

zastraM dvijAtibhirgrAhyaM dharmo yatroparudhyate | dvijAtInAM ca varNAnAM viplave kAlakArite || 348 ||

hk transliteration by Sanscript