One person with a belief is equal to a force of ninety-nine who have only interests.

People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents.

One must maintain a little bittle of summer, even in the middle of winter.

It's not whether you got knocked down; it's whether you get back up.

Live as if you were to die tomorrow. Learn as if you were to live forever.

Imagination is everything. It is the preview of life's coming attractions.

Crave for a thing, you will get it. Renounce the craving, the object will follow you by itself.

Laziness is nothing more than the habit of resting before you get tired.

A superior man is modest in his speech, but exceeds in his actions.

Insanity is doing the same thing over and over again and expecting different results.

The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.

The number one problem that keeps people from winning in the United States today is lack of belief in themselves.

Character isn't something you were born with and can't change, like your fingerprints. It's something you weren't born with and must take responsibility for forming.

The best way out is always through.

The only way of finding the limits of the possible is by going beyond them into the impossible.

Hating people because of their color is wrong. And it doesn't matter which color does the hating. It's just plain wrong.

The three things that are most essential to achievement are common sense, hard work and stick-to-it-iv-nes

Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.

The past cannot be changed. The future is yet in your power.

A lot of legends, a lot of people, have come before me. But this is my time.

No great discovery was ever made without a bold guess.