最痛苦的事情是在太爱一个人的过程中失去自己，忘记了你也很特别。

The writer must be a defender of the individual against the tyranny of the collective.

The study of mathematics is a journey without an end.

拓扑绝缘体的美在于它们的鲁棒性；它们的表面态受到保护，不受无序和缺陷的影响。