别人不在乎我，我又何必在乎别人。

Others do not care about me, I why care about others.

youdao

走自己的路，何必在乎其它。

Walk yourself's road, why care about others.

youdao

你在残杀整个物种时，又何必在乎用哪种叉子。

Since you're killing off an entire species, who CARES which fork you it with.

youdao

If something is good just because it is pleasurable, what does it matter whether you have sort of an abstract idea of whether it is good by someone else's sense or not?

既然令人喜爱的事物就是好的，那么何必在乎,别人对它的感受如何，这般抽象的观念呢？

耶鲁公开课 - 公正课程节选