When one kills another, he kills only that other's body. That man who thinks that it is he who kills another, is himself killed. Indeed, both of then do not know the truth, viz., he who kills and he who is killed.
हतं हन्ति हतो ह्येव यो नरो हन्ति कञ्चन। उभौ तौ न विजानीतो यश्च हन्ति हतश्च यः॥