如果他爸爸说他是一个笨蛋，那么他就一定是一个笨蛋。

If his father said that he was a stupid person, then he must be stupid.

youdao

说其他人是笨蛋的人才是笨蛋！

Those who say others are stupid only show their own stupidity.

youdao

I'm not saying he was right, and the damn fool should've got down and got real with the railroads, but he didn't.

我并不是说他就是正确的,就连笨蛋白痴,都已接受铁路的存在,但他却不能

耶鲁公开课 - 美国内战与重建课程节选