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

All wealth is the product of labor.

March on. Do not tarry. To go forward is to move toward perfection. March on, and fear not the thorns, or the sharp stones on life's path.

The man with no imagination has no wings.

Others have seen what is and asked why. I have seen what could be and asked why not.

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

Plan your work - work your plan. Lack of system produces that 'I'm swamped' feeling.

To give pleasure to a single heart by a single act is better than a thousand heads bowing in prayer.

Listen to many, speak to a few.

Let yourself be silently drawn by the stronger pull of what you really love.

Today I shall behave, as if this is the day I will be remembered.

What's the world's greatest lie?... It's this: that at a certain point in our lives, we lose control of what's happening to us, and our lives become controlled by fate.

The desire to reach for the stars is ambitious. The desire to reach hearts is wise.

Our patience will achieve more than our force.

The one excellent thing that can be learned from a lion is that whatever a man intends doing should be done by him with a whole-hearted and strenuous effort.

Neither worse then or better is a thing made by being praised.

Waste no more time arguing about what a good man should be. Be one.

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.

Only the wisest and stupidest of men never change.

Waiting hurts. Forgetting hurts. But not knowing which decision to take is the worst of suffering

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.