A good tree cannot bear bad fruit, and a bad tree cannot bear good fruit.
Οὐ δύναται δένδρον ἀγαθὸν καρποὺς πονηροὺς ποιεῖν, οὐδὲ δένδρον σαπρὸν καρποὺς καλοὺς ποιεῖν.
