The best way to learn is by doing—get your hands dirty in the lab.

Give the pupils something to do, not something to learn; and the doing is of such a nature as to demand thinking; learning naturally results.

“名声”如同是蒸气，“声望”如同是意外，在地球上唯一可以确定的事情是被遗忘掉。

The best stories are those that ask more than they answer.

When you change the way you look at things, the things you look at change.

衡量一家公司的成功应该包括其环境遗产。