When written in Chinese, the word 'crisis' is composed of two characters. One represents danger, the other opportunity.
The world is the great gymnasium where we come to make ourselves strong.
The starting point of all achievement is desire.
The real man smiles in trouble, gathers strength from distress, and grows brave by reflection.
Don't get set into one form, adapt it and build your own, and let it grow, be like water.
Why live an ordinary life, when you can live an extraordinary one.
The fact that the great scientist believed in flying machines was the one thing that encouraged us to begin our studies.
I think nature's imagination Is so much greater than man's, she's never going to let us relax.
People who say it cannot be done should not interrupt those who are doing it.
Diligence is the mother of good fortune. And idleness, its opposite, never brought a man to the goal of any of his best wishes.
The people who were trying to make this world worse are not taking the day off. Why should I?
To go too far is as bad as to fall short.
You say I started out with practically nothing, but that isn't correct. We all start with all there is, it's how we use it that makes things possible.
The biggest adventure you can ever take is to live the life of your dreams.
We are what our thoughts have made us; so take care about what you think. Words are secondary. Thoughts live; they travel far.
For every man there exists a bait which he cannot resist swallowing.
We are all in the gutter, but some of us are looking at the stars.
Every nation has the right to demand proper treatment and no country should violate the territory of any other country.
I'm not telling you it's going to be easy - I'm telling you it's going to be worth it.
Stand up to your obstacles and do something about them. You will find that they haven't half the strength you think they have.
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.