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
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