a general law for all rational beings?” Certainly not. Or, once more: “How is it possible to neglect so utterly one's own perfection as well as that of another?”' This is equally unimaginable. The sense of the question is assuredly nothing but this: “How is it possible to be so utterly bereft of compassion?” The conclusion is that when an action is characterised by an extraordinary absence of compassion, it bears the certain stamp of the deepest depravity and loathsomeness. Hence Compassion is the true moral incentive.

(3) The ethical basis, or the original moral stimulus, which I have disclosed, is the only one that can be justly said to have a real and extended sphere of effective influence. No one will surely venture to maintain as much of all the other moral principles that