这本书的前提是，识别别人的错误比识别自己的错误更容易。

Better to have 1 super user than 100 ordinary users.

"The words we use are like the clothes we wear. They can make us look smart or silly, kind or cruel, strong or weak."

翻译：指出深入研究文章可以分析器物的性能，而深入了解自然规律则可以审视器物的用途。