The invention of the cotton gin was the result of necessity and observation.

我对医学着迷，因为它是生死之间的界线。

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.

Algorithms shouldn't determine the value of content, human judgment is the core.

世界是一本书，不旅行的人只读了一页。