你无法改变你的来处，但你可以改变你的去向。

Sustainability is not a trend; it's a responsibility we all share.

The consequences of this problem make themselves felt in bookshops. When you go to a large bookshop and look at the self-help sections, as I sometimes do -- if you analyze self-help book sproduced in the world today, there are basically two kinds. The first kind tells you, "You can do it! You can make it! Anything's possible!" The other kind tells you how to cope with what we politely call "low self-esteem," or impolitely call, "feeling very bad about yourself."

Nothing is so fatiguing as the eternal hanging on of an uncompleted task.

Hard work beats talent when talent fails to work hard.

The future is always changing, but the past is always the same.