A society that is not willing to demand a life of somebody who has taken somebody elseโs life is simply immoral.
Immanuel KantThere is something splendid about innocence; but what is bad about it, in turn, is that it cannot protect itself very well and is easily seduced.
Immanuel Kant. . . as to moral feeling, this supposed special sense, the appeal to it is indeed superficial when those who cannot think believe that feeling will help them out, even in what concerns general laws: and besides, feelings which naturally differ infinitely in degree cannot furnish a uniform standard of good and evil, nor has any one a right to form judgments for others by his own feelings. . . .
Immanuel Kant