Faith means belief in something concerning which doubt is theoretically possible.

Good-humor is a philosophic state of mind; it seems to say to Nature that we take her no more seriously than she takes us. I maintain that one should always talk of philosophy with a smile.

The great thing, then, in all education, is to make our nervous system our ally instead of our enemy.

Events are influenced by our very great desires.

It seems the natural thing for us to listen whilst the Europeans talk.

Nature in her unfathomable designs had mixed us of clay and flame, of brain and mind, that the two things hang indubitably together and determine each other's being but how or why, no mortal may ever know.

The greatest weapon against stress is our ability to choose one thought over another.