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学习一种新编程语言的唯一方法是用它编写程序。
The method of psychology must be as exact as that of the physical sciences.
The more you know about life, the more you can bring to your work.
一个人就像一个分数,分子是他实际的样子,分母是他对自己的看法。分母越大,分数越小。