Proverbs 22:20

Καὶ σὺ δὲ ἀπόγραψαι αὐτὰ σεαυτῷ τρισσῶς, εἰς βουλὴν καὶ γνῶσιν ἐπὶ τὸ πλάτος τῆς καρδίας σου.