注释：怨恨产生于不能容忍他人的小过错，祸患产生于事先没有谋划。

我的父母教导我永远不要放弃。

The investor's chief problem - and even his worst enemy - is likely to be himself.

It is not shame for a man to learn that which he knows not，whatever his age.

如果不改善个人，就无法希望建立一个更美好的世界。为此，我们每个人都必须为自己的进步而努力，同时为全人类承担共同的责任。