数学的历史是人类思想和进步的历史。
The history of mathematics is a history of human thought and progress.
Every man is his own God. If you give up yourself, who else will save you? A strong man can save.
The novel is the great art form of lying in order to tell the truth.
心不是一个隐喻。
There is no friend as loyal as a book.
行为不仅仅是对刺激的反应，而是由期望和目的引导的。
