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每一個心理行為都在生活的經濟中有其位置。

The world is full of stories, but it's the ones we choose to tell that define us.

I'm not a businessman, I'm a business, man.

I don't think that everyone should become a mathematician, but I do believe that many students don't give mathematics a real chance.

"A man is rich in proportion to the number of things he can afford to let alone."