The past is a foreign country; they do things differently there.

Leadership in forestry means making tough decisions today for a better tomorrow.

The most important property of a program is whether it accomplishes the intention of its user.

人民有三种忧患：饥饿的得不到食物、寒冷的得不到衣物、劳苦的得不到休息。

实验室是我的游乐场，分子是我的玩具。

避免审判的最佳方式就是为之做好准备。