商业中最危险的一句话是"我们一直都是这样做的"。

The labor which it would require to make a single one of these guns by hand would exhaust the patience and perseverance of any ordinary workman.

孩子不是需要解决的问题，而是需要被理解的个体。

阳光不会永远照耀，但只要它还在，我们不妨一起闪耀。