种树的最佳时间是20年前，次佳时间是现在。

Every tree planted today is a promise to tomorrow.

The world is made of words, and if you know the words the world is made of, you can make of it whatever you wish.

Swim upstream. Go the other way. Ignore the conventional wisdom. If everybody else is doing it one way, there's a good chance you can find your niche by going in exactly the opposite direction.

从自然科学之杯的第一口会让你变成无神论者，但在杯底上帝正等着你。