गुरुं वा बालवृद्धौ वा ब्राह्मणं वा बहुश्रुतम् । आततायिनमायान्तं हन्यादेवाविचारयन् ॥ ३५० ॥
One may slay without hesitation an assassin who approaches (with murderous intent), whether (he be one’s) teacher, a child or an aged man, or a Brahmana deeply versed in the Vedas.
english translation