If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.

Whenever a negative thought concerning your personal power comes to mind, deliberately voice a positive thought to cancel it out.

When you're at the end of your rope, tie a knot and hold on

I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.

I believe that every person is born with talent.

I can never stand still. I must explore and experiment. I am never satisfied with my work. I resent the limitations of my own imagination.

Don't hit at all if it is honorably possible to avoid hitting; but never hit soft!

A man may die, nations may rise and fall, but an idea lives on.

Aim for the highest.

Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

The secret of health for both mind and body is not to mourn for the past, nor to worry about the future, but to live the present moment wisely and earnestly.

Winners and losers aren't born, they are the products of how they think

You're never as good as everyone tells you when you win, and you're never as bad as they say when you lose.

There is a candle in your heart, ready to be kindled. There is a void in your soul, ready to be filled. You feel it, don’t you?

Knowing what's right doesn't mean much unless you do what's right.

If you can dream it, you can do it.

Motivation is what gets you started. Habit is what keeps you going.

Humans have come into being for the sake of each other, so either teach them, or learn to bear them.

For every man there exists a bait which he cannot resist swallowing.

Alone we can do so little; together we can do so much.

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