"I'm in love with you, and I'm not in the business of denying myself the simple pleasure of saying true things."

数学不知道种族或地理界限；对于数学来说，文化世界是一个国家。

Never use a credit card for credit. The only kind of credit， or debt， that is acceptable is debt to acquire something whose exchange value is extremely likely to increase， like in a home. The exchange value of most things diminishes or vanishes the moment you purchase them. Don’t be in debt to losers.

The next green revolution must be both productive and environmentally responsible.

适应性是当今动荡市场中企业最大的优势。

人生即使有百年之期，但夭折、长寿、困厄或通达都无法预先知道。

We do not learn from experience... we learn from reflecting on experience.