监管挑战不是障碍；它们是卓越的护栏。

The purpose of abstraction is not to be vague, but to create a new semantic level in which one can be absolutely precise.

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、什么时候读以及如何读。

Don’t take it personally when someone turns you down. Assume they are like you: busy， occupied， distracted. Try again later. It’s amazing how often a second try works.

当真相还在穿鞋的时候，谎言已经走遍了半个世界。