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.

Knowing is not enough, we must apply. Willing is not enough, we must do.

No one can make you feel inferior without your consent.

Common sense is in spite of, not as the result of education.

The trouble with most of us is that we would rather be ruined by praise than saved by criticism.

Not everything that can be counted counts, and not everything that counts can be counted.

Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

The essence of knowledge is, having it, to apply it; not having it, to confess your ignorance.

And no one will listen to us until we listen to ourselves.

Drop the idea of becoming someone, because you are already a masterpiece. You cannot be improved. You have only to come to it, to know it, to realize it.

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Sometimes you will never know the value of a moment until it becomes a memory.

Promises are like crying babies in a theater, they should be carried out at once.

Admiration is the daughter of ignorance.

Where wisdom reigns, there is no conflict between thinking and feeling.

Judge a man by his questions rather than by his answers.

Above all be of single aim; have a legitimate and useful purpose, and devote yourself unreservedly to it.

I think, therefore I am.

If you don't behave as you believe, you will end by believing as you behave.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

Whatever the mind of man creates, should be controlled by man's character