The greatest sin is to think yourself weak
A hero is no braver than an ordinary man, but he is brave five minutes longer.
Be happy, but never satisfied.
To go too far is as bad as to fall short.
If you don't know, the thing to do is not to get scared, but to learn.
Only those are fit to live who do not fear to die; and none are fit to die who have shrunk from the joy of life and the duty of life. Both life and death are parts of the same Great Adventure.
Work gives you meaning and purpose and life is empty without it.
The best way to find yourself is to lose yourself in the service of others.
Champions aren't made in the gyms. Champions are made from something they have deep inside them - a desire, a dream, a vision.
In winter, I plot and plan. In spring, I move.
A pure hand needs no glove to cover it.
Keep your face to the sunshine and you will never see the shadow.
I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.
To succeed in your mission, you must have single-minded devotion to your goal.
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.
It is only when the mind is free from the old that it meets everything anew, and in that there is joy.
In life, you need either inspiration or desperation.
It always seems impossible until it's done.
Don't stop chasing your dreams, because dreams do come true.
People should pursue what they're passionate about. That will make them happier than pretty much anything else.
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.