The world is the great gymnasium where we come to make ourselves strong.
I don't think necessity is the mother of invention. Invention ... arises directly from idleness, possibly also from laziness. To save oneself trouble.
Keep your face always toward the sunshine - and shadows will fall behind you.
Impossible is a word to be found only in the dictionary of fools.
Determine never to be idle. No person will have occasion to complain of the want of time, who never loses any. It is wonderful how much may be done, if we are always doing.
I invented my life by taking for granted that everything I did not like would have an opposite, which I would like.
There is a candle in your heart, ready to be kindled. There is a void in your soul, ready to be filled. You feel it, donít you?
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.
The real man smiles in trouble, gathers strength from distress, and grows brave by reflection.
Sovereignty is not given, it is taken.
Freedom and independence form my character.
The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
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.
It is greed to do all the talking but not to want to listen at all.
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.
If you can dream it, you can do it. Always remember that this whole thing was started with a dream and a mouse.
You need a little bit of insanity to do great things.
Do not count your chickens before they are hatched.
Don?t only practice your art, but force your way into its secrets, for it and knowledge can raise men to the divine.
A superior man is modest in his speech, but exceeds in his actions.
Diligence is the mother of good fortune. And idleness, its opposite, never brought a man to the goal of any of his best wishes.