"A life spent making mistakes is not only more honourable but more useful than a life spent doing nothing."

"The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man."

"People are always blaming their circumstances for what they are. I don't believe in circumstances. The people who get on in the world are the people who get up and look for the circumstances they want and if they can't find them, make them."