仪器扩展了我们的感官,但它们不能取代我们的判断。
海洋对所有人都是共有的,因为它是如此无边无际,以至于无法成为任何人的财产。
你能花在孩子身上最好的东西就是时间。
Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.