אַל־תַּאֲמִ֣ינוּ בְרֵ֔עַ אַֽל־תִּבְטְח֖וּ בְּאַלּ֑וּף מִשֹּׁכֶ֣בֶת חֵיקֶ֔ךָ שְׁמֹ֖ר פִּתְחֵי־פִֽיךָ׃
Trust ye not in a friend, Put ye not confidence in a familiar friend; Keep the doors of thy mouth from her that lieth in thy bosom. .
Read halakhic rulings (Jewish law) on Micah 7:5: and classical halakhic sources.