If the only tool you have is a hammer, you tend to see every problem as a nail.
Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.
Do not go where the path may lead, go instead where there is no path and leave a trail.
Find out who you are and do it on purpose.
Whether you think you can, or you think you can't - you're right.
You shape your own destiny.
I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.
Defeat is not defeat unless accepted as a reality-in your own mind.
Fantasy is an exercise bicycle for the mind. It might not take you anywhere, but it tones up the muscles that can. Of course, I could be wrong.
Never stand begging for what one has the power to earn.
There are no traffic jams on the extra mile.
Change your thoughts and you change your world.
My advice to other disabled people would be, concentrate on things your disability doesn't prevent you doing well, and don't regret the things it interferes with. Don't be disabled in spirit as well as physically.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
The best way to find yourself is to lose yourself in the service of others.
To myself I am only a child playing on the beach, while vast oceans of truth lie undiscovered before me.
Too much sanity may be madness - and the maddest of all is to see life as it is and not as it should be.
I am always doing what I cannot do yet, in order to learn how to do it.
The greatest accomplishment is not in never falling, but in rising again after you fall.
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.
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.