Theorems are the permanent literature of mathematics.

Collaboration is key—governments, businesses, and communities must work together for sustainable forests.

The stock market is filled with individuals who know the price of everything, but the value of nothing.

人生最大的遗憾，莫过于轻易地放弃了不该放弃的，固执地坚持了不该坚持的。

俄罗斯石油公司的战略建立在长期价值创造上，而非短期收益。

压力是一种特权。