The Basis of Morality by Part 3 Chapter 4 Page 4

With him, therefore, I have nothing to do, and address myself to those who allow that we are dealing with something more than an imaginary citation.

It is, then, only to conduct of the above kind that genuine moral worth can be ascribed. Its special mark is that it rejects and excludes the whole class of motives by which otherwise all human action is prompted: I mean the self-interested motives, using the word in its widest sense. Consequently the moral value of an act is lowered by the disclosure of an accessory selfish incentive; while it is entirely destroyed, if that incentive stood alone.

The absence of all egoistic motives is thus the Criterion of an action of moral value. It may, no doubt, be objected that also acts of pure malice and cruelty are not selfish. But it is manifest