The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.

But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.

Share our similarities, celebrate our differences.

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

If we know exactly where we're going, exactly how to get there, and exactly what we'll see along the way, we won't learn anything.

We are all born ignorant, but one must work hard to remain stupid

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

Criticize the act, not the person.

If we do not lay out ourselves in the service of mankind whom should we serve?

Tis very certain the desire of life prolongs it.

All that we see or seem is but a dream within a dream.

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.

He who is slowest in making a promise is most faithful in its performance.

It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.

What's real and what's true aren't necessarily the same.

It is hard to fight desire; but to control it is the sign of a reasonable man.

Jealousy is the tribute mediocrity pays to genius.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.

Never pick a fight with an ugly person, they've got nothing to lose.

A crust eaten in peace is better than a banquet partaken in anxiety.

If you don't want to slip up tomorrow, speak the truth today.