Age is an issue of mind over matter. If you don't mind, it doesn't matter.

Civilization is a limitless multiplication of unnecessary necessities.

Few things are harder to put up with than the annoyance of a good example.

Principles have no real force except when one is well fed.

It has always been my rule never to smoke when asleep, and never to refrain when awake.

It is curious that physical courage should be so common in the world and moral courage so rare.

Facts do not cease to exist because they are ignored.

Even the revolutionary writer will err if he fails to grasp the enormous effectiveness of occasional understatement.

We need to do a better job of putting ourselves higher on our own 'to do' list.

Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.

The motive power of democracy is love.

Government's first duty is to protect the people, not run their lives.

Our heads are round so thought can change direction.

People have a hard time letting go of their suffering. Out of a fear of the unknown, they prefer suffering that is familiar.

Men lose more conquests by their own awkwardness than by any virtue in the woman.