哦，悲伤，我的灵魂如此悲伤，因为，因为一个女人。

The goal of mathematics is not to solve problems, but to understand them.

If you don’t go after what you want, you’ll never have it.

Appreciate everything your associates do for the business. Nothing else can quite substitute for a few well-chosen, well-timed, sincere words of praise. They're absolutely free and worth a fortune.

Persistence is very important. You should not give up unless you are forced to give up.

"In tennis, like in life, you have to keep moving forward—one point at a time."

成功的企业家必须同时具备理想主义和现实主义。