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The past is not dead, it is not even past.
The study of topological phases of matter is a testament to the power of theoretical physics to predict and explain new states of matter.
自然法的最低内容对于任何社会的生存都是必要的。
The process of doing mathematics is more important than the result.
The true poet is a man who is always in love with life.
It is justice, not charity, that is wanting in the world.