I think the contribution people make is not proportionate to their fame or success. In fact, I think the relation is often inverse.

Kant attempted to work out a view of religion and religious belief according to which existing religions could be brought into harmony with modernity, science and reason.

We can never prove that we are free or integrate our freedom in any way into our objective conception of the causal order of nature.

Descartes recommended that we distrust the senses and rely on the ... use of our intellect.

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

If being "iron headed" is to be lacking such feelings, then Kant's position is that an ironheaded person could not be a moral agent because such a person would not be rational.

People are often most proud of precisely those things of which they should most be ashamed.