Children are the most honest critics; they will tell you exactly what they think.

【释义】金属之所以被折断，是因为其太过刚硬了，流水之所以能保全，是因为其柔和；高山之所以被挖掘，是因为其高大，而山谷之所以能安全无事，是因为其低下。【延伸】刚强耿直的人，容易受挫折、遭打击；柔和无争的人，则能够保全自己。刚强的克星，是温柔。

历史学家是回望过去的先知。

Every tree we plant today is a legacy for generations we'll never meet.

In business, as in life, integrity is the currency that never loses value.

The aim of a college education is to teach you to know a good man when you see one.

学习之道，没有什么比能够弄清事物的始末，来龙去脉更重要的。