Parallel
Proverbs 13:3
Swete's Septuagint · Berean Standard Bible
ὃς φυλάσσει τὸ ἑαυτοῦ στόμα τηρεῖ τὴν ἑαυτοῦ ψυχήν, ὁ δὲ προπετὴς χείλεσιν πτοήσει ἑαυτόν.
He who guards his mouth protects his life, but the one who opens his lips invites his own ruin.