Parallel
Proverbs 4:23
Rahlfs Septuagint (1935) · Berean Standard Bible
πάσῃ φυλακῇ τήρει σὴν καρδίαν ἐκ γὰρ τούτων ἔξοδοι ζωῆς
Guard your heart with all diligence, for from it flow springs of life.