别人为食而生存，我为生存而食。

语言塑造了我们的思维方式，并决定了我们可以思考的内容。

The peculiar evil of silencing the expression of an opinion is that it is robbing the human race； posterity as well as the existing generation； those who dissent from the opinion， still more than those who hold it.

买水管、延长线或梯子时，买比你认为需要的长得多的。才会是正确的尺寸。