גּֽוֹלֶה־סּ֭וֹד הוֹלֵ֣ךְ רָכִ֑יל וּלְפֹתֶ֥ה שְׂ֝פָתָ֗יו לֹ֣א תִתְעָרָֽב׃
He that goeth about as a talebearer revealeth secrets; therefore meddle not with him that openeth wide his lips.
Read kabbalistic (mystical) interpretation of Proverbs 20:19: and classical mystical sources.