不过同类互知，那么这个生物学家他自己必须是猫。

Takes one to know one so the biologist must himself be a cat.

youdao

这不需要同类互知，你不需要是法国人，才能了解法国人。

It does not take one to know one; to understand the truths about the French, you do not yourself need to be French.

youdao

一种稍微不同的说法是,柏拉图在多个观点中所用到的,同类互知

slightly other kind of language that Plato uses at various points, "Likes are known by likes."

youdao

Takes one to know one; so, you can't be a Canadian and study Mexicans, because it takes one to know one.

同类才能互知,所以加拿大人就不能研究墨西哥人,因为只有同类才能互知

耶鲁公开课 - 死亡课程节选

Unfortunately, this thought, popular as it may be, that it takes one to know one, just seems false.

不幸的是,这样的想法,即同类者互知,可能很流行,但实际上是错误的

耶鲁公开课 - 死亡课程节选

It does not take one to know one; to understand the truths about the French, you do not yourself need to be French.

这不需要同类互知,你不需要是法国人,才能了解法国人

耶鲁公开课 - 死亡课程节选