For a good tree bringeth not forth corrupt fruit; neither doth a corrupt tree bring forth good fruit.
Οὐ γάρ ἐστι δένδρον καλὸν ποιοῦν καρπὸν σαπρόν· οὐδὲ δένδρον σαπρὸν ποιοῦν καρπὸν καλόν.