מִ֭רְמָה בְּלֶב־חֹ֣רְשֵׁי רָ֑ע וּֽלְיֹעֲצֵ֖י שָׁל֣וֹם שִׂמְחָֽה׃
Ułuda wiedzie serce tych, którzy zło knują, ale radość pewna tym, którzy pokój doradzają.
Malbim
5. A man can be destroyed by family dissension, as when brothers bear malice towards one another and fabricate hatred (Proverbs 12:20) in his house. This is what the enmity between Joseph and his brothers did to the patriarch Jacob. But Job's family lived in harmony and affection: [His sons held regular feasts etc.]