有了图书馆，你是自由的，不受暂时政治气候的限制。它是最民主的机构，因为没有人——绝对没有人——能告诉你该读什么、何时读以及如何读。
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.
数学的美妙之处在于它常常引导我们发现关于物理世界的真理，而这些真理是我们无法通过其他方式发现的。
The heart is a fragile thing, easily broken, but also capable of immense love and resilience.
All businesses need to be young forever. If your customer base ages with you， you're Woolworth's.