Reason commands us far more imperiously than a master; for in disobeying the one we are unfortunate, and in disobeying the other we are fools.

The heart has reasons that reason cannot know.

People are generally better persuaded by the reasons which they have themselves discovered than by those which have come into the mind of others.

The supreme function of reason is to show man that some things are beyond reason

The last function of reason is to recognize that there are an infinity of things which surpass it.

Reason's last step is the recognition that there are an infinite number of things which are beyond it