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You have to spend some energy and effort to see the beauty of math.
在阿拉伯世界,小说不仅是艺术,更是一种社会责任的承担。
"Literature is the mirror of society, reflecting its virtues and vices, its hopes and fears."
The only way to achieve the impossible is to believe it is possible.
如果你感到自己已经很完美了,那么你永远不会达到你本可以达到的高度。