科学是个美妙的东西——如果无须靠它维生的话。
Science is a wonderful thing if one does not have to earn one's living at it.
Education is an admirable thing. But it is well to remember from time to time that nothing that is worth knowing can be taught.
路途再近，你不走，也不会到达。事情再小，不去做也不可能完成。
Customer trust is hard to earn and easy to lose—guard it fiercely.