A slanderer walks around revealing secrets,
so do not get involved with a person who opens his lips. Bible see other translations

“opens.” The Hebrew word can refer to opening, or also to being simple or foolish. Understood that way, the proverb is saying to be careful around people who are foolish in their speech. There are many people who are foolish and uncaring in what they say, and the wise person is careful in what they say and how they act around such people.

Commentary for: Proverbs 20:19