Learn not to contradict your father in anything; nor by calling him Iapetus, to reproach him with the ills of age, by which you were reared in your infancy.
Come now, ye men, in nature darkling, like to the race of leaves, of little might, figures of clay, shadowy feeble tribes, wingless creatures of a day, miserable mortals, dream-like men.
Full of wiles, full of guile, at all times, in all ways, are the children of Men.
Man is naturally deceitful ever, in every way!
The wise can often profit by the lessons of a foe, for caution is the mother of safety. It is just such a thing as one will not learn from a friend and which an enemy compels you to know. To begin with, it's the foe and not the friend that taught cities to build high walls, to equip long vessels of war; and it's this knowledge that protects our children, our slaves and our wealth. Well then, I agree, let us first hear them, for that is best; one can even learn something in an enemy's school.
You're mistaken: men of sense often learn from their enemies. Prudence is the best safeguard. This principle cannot be learned from a friend, but an enemy extorts it immediately. It is from their foes, not their friends, that cities learn the lesson of building high walls and ships of war. And this lesson saves their children, their homes, and their properties. It appears then that it will be better for us to hear what they have to say first; for one may learn something at times even from one's enemies.
Comedy too can sometimes discern what is right. I shall not please, but I shall say what is true.