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Two roads diverged in the wood and I took the one less traveled by, And that has made all the difference.
世界上最好和最美丽的东西是看不见甚至摸不到的——它们必须用心去感受。
You can fool all the people some of the time, some of the people all the time, but you cannot fool all the people all the time.
A good mathematician is someone who can see analogies between theorems. A great mathematician is someone who can see analogies between analogies.