all kinds, in respect of amount and what is honourable and what is necessary? It is obvious, of course, that no one person can unite in himself all claims. Again, the requital of benefits is, in general, a higher duty than doing unsolicited kindnesses to one’s companion; in other words, the discharging of a debt is more obligatory upon one than the duty of giving to a companion. And yet this rule may admit of exceptions; for instance, which is the higher duty? for one who has been ransomed out of the hands of robbers to ransom in return his ransomer, be he who he may, or to repay him on his demand though he has not been taken by robbers, or to ransom his own father? for it would seem that a man ought to ransom his father even in preference to himself.
Well then, as has been said already, as a general rule the debt should be discharged, but if in a particular case the giving greatly preponderates as being either honourable or necessary, we must be swayed by these considerations: I mean, in some cases the requital of the obligation previously existing may not be equal; suppose, for instance, that the original benefactor has conferred a kindness