The strength of a man's virtue should not be measured by his special exertions, but by his habitual acts.

The power of a man's virtue should not be measured by his special efforts, but by his ordinary doing

Man's greatness lies in his power of thought.

Man's true nature being lost, everything becomes his nature; as, his true good being lost, everything becomes his good.

What is man in nature? Nothing in relation to the infinite, all in relation to nothing, a mean between nothing and everything

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