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童年转瞬即逝,但一本好书可以让它停留得更久一点。
数学家的模式,就像画家或诗人的模式一样,必须是美丽的。
The materials I use are not just objects; they are carriers of meaning.
Don't bother just to be better than your contemporaries or predecessors. Try to be better than yourself.
I have paved the way for you. Just walk on it.