Not necessarily your mother, or indeed mine, but, as it were, the ideal mother, somebody who doesn't care about your achievements. Unfortunately, most people are not our mothers. Most people make a strict correlation between how much time, and if you like, love -- not romantic love, though that may be something -- but love in general, respect --they are willing to accord us, that will be strictly defined by our position in the social hierarchy.

The key to risk management is prevention and early warning.

复杂性不是理解的障碍，而是需要克服的挑战。

真正的朋友是那个握住你的手并触动你心灵的人。

Leadership means making tough decisions today for a better tomorrow.

没有什么比煤矿工人更美国了。