The ideas of economists and political philosophers， both when they are right and when they are wrong， are more powerful than is commonly understood. Indeed the world is ruled by little else. Practical men， who believe themselves to be quite exempt from any intellectual influence， are usually the slaves of some defunct economist.

领导力不是发号施令，而是激励他人成就卓越。

科学家是真理的爱好者，仅仅因为对真理本身的热爱，无论它通向何方。

可持续性不再是可选项，而是进入全球市场的入场券。