en_tn/2pe/02/22.md

This proverb is true for them

"This proverb applies to them" or "This proverb describes them"

A dog returns to its own vomit, and a washed pig returns to the mud

Peter uses two proverbs to illustrate how the false teachers, although they have known "the way of righteousness," have turned back to the things that make them morally and spiritually impure. (See: rc://en/ta/man/translate/writing-proverbs)