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Mathematics is the art of giving the same name to different things.
"Courage is not the absence of fear, but the triumph over it."
一个人的孤独不是孤独,一个人找另一个人,一句话找另一句话,才是真正的孤独。
The world is full of magic things, patiently waiting for our senses to grow sharper.
In the world of physics, we often find that the simplest questions are the hardest to answer.