If you say something bad about someone, you will discover that the same criticism applies to you.
誰かの悪口を言うと、同じ悪口が自分について言われる
Corollary
The only faults that bother us in others are faults we share.
If you say something bad about someone, you will discover that the same criticism applies to you.
誰かの悪口を言うと、同じ悪口が自分について言われる
Corollary
The only faults that bother us in others are faults we share.