Who is there who ought more to be pardoned, (since you bring me back to the Twelve Tables,)
 than a man who without being aware of it kills another? No one, I think. For this is a silent
 law of humanity, that punishment for intentions, but not for fortune, may be exacted of a man.
 Still our ancestors did not pardon even this. For there is a law in the Twelve Tables,
 “If a weapon escapes from the hand”