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世间的一切事情,都是由人的内心产生的。
故事是作者写给自己的信,用来告诉自己那些无法通过其他方式发现的事。
The best way to predict the future is to create it.
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.
解析:经常反省检查自己,不给私欲留空间。