聪明人嘴在心里，愚蠢人心在嘴边。

Wise men have their mouth in their heart, fools their heart in their mouth.

youdao

允诺而不费什么是给愚蠢人的安慰。

To promise and give nothing is comfort to a fool.

youdao

伶俐人的手不做愚蠢人所说的事。

The wise hand doth not all that the foolish mouth speaks.

youdao

And will make mistakes. And therefore, you write your programs so that catastrophes don't occur when those mistakes are made.

就是人是很愚蠢的，会犯错误的，因此，你要这样设计你的程序,以达到当犯错误时避免大事故的目的。

麻省理工公开课 - 计算机科学及编程导论课程节选

They can pretty much pack it up and go home, because everyone's going to think they're ridiculous, no one will believe what they say, and it's a stupid idea anyway, is basically the gist of this conversation.

他们就可以打包回家了，因为每个人都会认为他们很荒谬，没有人会相信他们的说法，这是个很愚蠢的想法，这就是他们当时谈话的大概意思。

麻省理工公开课 - 化学原理课程节选

Right, right. It's not necessarily that the four people who chose between 46 and 67 are themselves "thick," it's that they think the rest of you are "thick."

选择46到67的人,自身并不一定愚蠢,但他们可能认为剩下的人都很蠢

耶鲁公开课 - 博弈论课程节选