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"In mathematics, you don't understand things. You just get used to them."
没有一些目标和一些努力去实现它们,没有人能够生存。我们所谓的生活是一场旅程,而旅程本身就是家。
The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.