The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.
生命太短，不能长时间记恨。
我曾经是贫穷的白人垃圾，没有闪光，没有魅力。但我有一个梦想，我实现了它。
You can't control who loves you, but you can control who you love.
If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.