每个数学问题都有一个解决方案；你只需要找到正确的视角。

The key is to set realistic customer expectations, and then not to just meet them, but to exceed them—preferably in unexpected and helpful ways.

剖面图是建筑师最具揭示性的图纸。

商业中最危险的一句话是"我们一直都是这样做的"。