The limits of the possible can only be defined by going beyond them into the impossible.
If you can't you must, and if you must you can.
In essence, if we want to direct our lives, we must take control of our consistent actions. It's not what we do once in a while that shapes our lives, but what we do consistently.
Change your thoughts and you change your world.
Don't stop chasing your dreams, because dreams do come true.
To succeed in your mission, you must have single-minded devotion to your goal.
Winners and losers aren't born, they are the products of how they think
Whatever you are, be a good one.
Every problem is a gift - without problems we would not grow.
To attain the impossible, one must attempt the absurd.
Duty does not require any person to submit to the destruction of his personal ambitions and the right to live his own life in his own way.
Others have seen what is and asked why. I have seen what could be and asked why not.
It's all to do with the training: you can do a lot if you're properly trained.
I seldom end up where I wanted to go, but almost always end up where I need to be.
Only in the darkness, you are able to see the stars.
Whether you think you can, or you think you can't - you're right.
Wanting to be someone else is a waste of who you are
The greatest accomplishment is not in never falling, but in rising again after you fall.
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.
No matter what people tell you, words and ideas can change the world.
You can't learn in school what the world is going to do next year.