永远要努力在你的生活之上保留一片天空。
I’m not a guy that’s going to let my love for my city down.
随着我们深入量子世界,我们发现拓扑不仅仅是数学上的好奇,而是自然界的一个基本方面。
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.