给我一个支点，我就能撬动地球。
The future is not predicted, it is created.
Leadership means making tough decisions today that will benefit future generations.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
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.