And the observances practised by the Romans in the case of wills have a place here; those balances and small coins to denote justice, and freeing of slaves, and rubbing of the ears. For these observances are, that things may be transacted with justice; and those for the dispensing of honour; and the last, that he who happens to be near, as if a burden were imposed on him, should stand and hear and take the post of mediator.