你无法管理你无法衡量的东西。
Just like that, she was gone.
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 challenge in computer science is to bridge the gap between the theoretical models and practical applications.
Every individual has a place to fill in the world and is important in some respect whether he chooses to be so or not.