one thorn of experience is worth a whole wilderness of warning 一次痛苦的经历 抵得上千百次的告诫。-洛威尔
he that will not allow his friend to share the prize must not expect him to share the danger 不肯让朋友共享果实的人, 不要指望他与朋友共患难。-伊索
no man is the whole of himself his friend are the rest of him. 任何人自己都不是完整的;他的朋友是他的其余部分。-福斯 迪克
treat other people as you hope they will treat you. 你希 望别人如何对你,你就如何对待别人。-伊索
friendship is both a source of pleasure and a component of good heath 友谊既是快乐之源泉,又是健康之要素。-爱默生
when work is a pheasure, life is joy ! when work is duty , life is slavery 工作是一种乐趣时,生活是一种享受!工作是一种义务时,生活则是一种苦役。 -高尔基
when you want knowledge like you want air under water then you will get it . 当你需要只是就像你在水底需要空气时,你准能得到它。-苏格拉底