We usually can't know how, and we probably should not even ask, how our lives contribute to a better world.

We usually can't know how, and we probably should not even ask, how our lives contribute to a better world.

Kant's system of duties constitutes a Doctrine of Virtue because the duties also indicate what kinds of attitudes, dispositions and feelings are morally virtuous or vicious.

Kant says that we may regard ourselves as legislator of the moral law, and consider ourselves as its author, but not that we are legislators or authors of the law.

Kant can provide, and has provided, a good model for philosophers to think about the relation of metaphysics to science and scientific methodology.

Freedom is a permanent problem for us, both unavoidable and insoluble.

We can treat human responses to cognitions as involving law-like connections grounded on free choices which show themselves in our character.