Sometimes the hardest thing in life is to know which bridge to cross and which to burn.
有时候生活中最难的事情是知道该跨过哪座桥，该烧掉哪座桥。
"The truth is rarely pure and never simple."
美好的社会是美德得到回报的社会。
"Memory is not an instrument for exploring the past but its theatre."
The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay of symmetry and topology leads to novel quantum states of matter.
成功不在于终点，而在于旅程。
过去是一个异国，那里的人做事方式不同。