人は、困難を乗り越えることで、成長する。
The rule of recognition is the ultimate rule in a legal system, which identifies the criteria for valid law.
我跑步的原因是为了定义生活。
修正错误，是人生必修课。不断“正心”，才能不走偏。
Perhaps it is better to wake up after all, even to suffer, rather than to remain a dupe to illusions all one's life.
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.