The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
People are capable, at any time in their lives, of doing what they dream of.
Keep your face always toward the sunshine - and shadows will fall behind you.
Dare to live the life you have dreamed for yourself. Go forward and make your dreams come true.
Waste no more time arguing about what a good man should be. Be one.
The question isn't who is going to let me; it's who is going to stop me.
Work gives you meaning and purpose and life is empty without it.
I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.
The more you lose yourself in something bigger than yourself, the more energy you will have.
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.
Learn from yesterday, live for today, hope for tomorrow.
You shape your own destiny.
A painter should begin every canvas with a wash of black, because all things in nature are dark except where exposed by the light.
I may have had a lot of luck in my life, but I still need to find a challenge in the game.
Laziness is nothing more than the habit of resting before you get tired.
Employ your time in improving yourself by other men's writings so that you shall come easily by what others have labored hard for.
Every problem is a gift - without problems we would not grow.
Differences are not intended to separate, to alienate. We are different precisely in order to realize our need of one another.
I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.
You are not here merely to make a living. You are here in order to enable the world to live more amply, with greater vision, with a finer spirit of hope and achievement. You are here to enrich the world, and to impoverish yourself if you forget the errand.