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我們試圖購買不受歡迎的股票。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

世界上最美好和最美麗的東西是看不見甚至摸不著的——它們必須用心去感受。