你越是赞美和庆祝你的生活，生活中就越有值得庆祝的东西。
The more you praise and celebrate your life, the more there is in life to celebrate.
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.
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.
写作是一种乐观的行为。如果你觉得它不重要，你就不会费心去做。
We cannot change the past, but we can change how we view it.
