Science has not yet taught us if madness is or is not the sublimity of the intelligence.

The greatest power we have is the power of choice.

Men become wise just as they become rich, more by what they save than by what they receive.

I've never known any trouble than an hour's reading didn't assuage.

He alone is free who lives with free consent under the entire guidance of reason.

In the midst of movement and chaos, keep stillness inside of you.

Appearances often are deceiving.

The noblest pleasure is the joy of understanding.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Never do anything when you are in a temper, for you will do everything wrong.

Fear doesn't exist anywhere except in the mind.

Intelligence is a moral category.

I mistrust the judgement of every man in a case in which his own wishes are concerned.

Creativity is the greatest rebellion in existence.

Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.

When you dance, your purpose is not to get to a certain place on the floor. It's to enjoy each step along the way.

Courage is resistance to fear, mastery of fear - not absence of fear.

Men are not prisoners of fate, but only prisoners of their own minds.

The secret of life, though, is to fall seven times and to get up eight times.

Simplicity is the ultimate sophistication.

Stupidity is a talent for misconception.