I am always doing what I cannot do yet, in order to learn how to do it.

In life, you need either inspiration or desperation.

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

I long to accomplish a great and noble task; but it is my chief duty to accomplish small tasks as if they were great and noble

Take things as they are. Punch when you have to punch. Kick when you have to kick.

One of the things I learned when I was negotiating was that until I changed myself, I could not change others.

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

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.

The meaning of life is that it is to be lived, and it is not to be traded and conceptualized and squeezed into a patter of systems.

To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.

Believe you can and you're halfway there.

If you can accept losing, you can't win.

The starting point of all achievement is desire.

Courage is the thing. All goes if courage goes.

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

Gratitude is an illness suffered by dogs.

Scar tissue is stronger than regular tissue. Realize the strength, move on.

The man with no imagination has no wings.

The superior man thinks only of virtue; the common man thinks only of comfort.

You have to dream before your dreams can come true.

Change will not come if we wait for some other person, or if we wait for some other time. We are the ones we've been waiting for. We are the change that we seek.