变革在中间阶段最为艰难。

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

Teamwork is the yeast that makes the business rise.

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