It is simply an error, though no doubt an attractive and inspiring one, to suppose that there is one evil — capitalism, say, or colonialism — the des… - J. L. Mackie

On our view of morality we can defend only nearly absolute principles. But a theist can believe that strictly absolute variants of these are commanded by God, and that we both must and can safely obey them even when from the point of view of human reason the case against doing so seems overwhelming: we can rely on God to avert or somehow put right the disastrous consequences of a 'moral' choice. But though a theist can believe this, it would gratuitous for him to do so without a reliable and explicit revelation of such absolute commands.

On an assumption that the normal and proper state of affairs is that people should live as members of various circles, larger and smaller, with different kinds and degrees of cooperation, competition, and conflict in these different circles, the appropriateness of telling the truth becomes disputable. Truth-telling naturally goes along with cooperation; it is not obviously reasonable to tell the truth to a competitor or an enemy.

If there were objective values, then they would be entities or qualities or relations of a very strange sort, utterly different from anything else in the universe.