统一指挥意味着员工应该只接受一个上级的命令。

A good detective listens more than she talks.

The best way to find out if you can trust somebody is to trust them.

不了解敌情，不可以行军打仗，不熟悉洋人的情况，不可以远谋。

"The essence of mathematics is not to make simple things complicated, but to make complicated things simple."

经验只是我们给错误起的名字。