"And if one strikes his father or his mother": a blow which causes a wound. You say a blow which causes a wound, but perhaps even a blow which does not cause a wound? Would you say this? If (payment) for injuries—the greater—(obtaining both wittingly and unwittingly) there is no liability without a wound, then for punishment—the lesser—(obtaining only wittingly), how much more so should there be no liability without a wound. What, then, is the intent of "If one strikes his father or his mother? A blow which causes a wound.