There are no traffic jams on the extra mile.
Dare to be free, dare to go as far as your thought leads, and dare to carry that out in your life.
If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.
Don't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.
Everything I've ever done was out of fear of being mediocre.
Once you have tasted flight, you will forever walk the earth with your eyes turned skyward, for there you have been, and there you will always long to return.
If my life is going to mean anything, I have to live it myself.
We cannot direct the wind, but we can adjust the sails.
Don't ever take a fence down until you know why it was put up.
No great discovery was ever made without a bold guess.
I have always found that mercy bears richer fruits than strict justice.
Pizza makes me think that anything is possible.
Whether you think you can, or you think you can't - you're right.
If you can dream it, you can do it.
A lot of legends, a lot of people, have come before me. But this is my time.
When I give, I give myself.
Failure is not our only punishment for laziness; there is also the success of others.
Everything you can imagine is real.
Gratitude is an illness suffered by dogs.
Become a possibilitarian. No matter how dark things seem to be or actually are, raise your sights and see possibilities -- always see them, for they're always there.
The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.