Similar narrations

• Mishkāt al-Anwār #960 Ameer al-Momineen (a.s) said: “Whoever watches his tongue, God will cover up his faults.”
• Thawāb al-Aʿmāl wa ʿiqāb al-Aʿmāl #696 "Whoever safeguards his tongue, Allah will conceal his faults."