统一指挥意味着员工应该只接受一个上级的命令。

我不需要任何人理解我。我的艺术自己会说话。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

The sidelines are not where you want to live your life. The world needs you in the arena.

The greatest crimes are committed not in the name of evil, but in the name of good.

对于新生儿，我们不仅要关心他的身心健康，还应该关心他的心理需要。