432. Private charitable duties are also numerous; for instance, paying workmen their wages, paying interest on loans, honouring promissory notes, keeping deposits safe and such like. Some of these are duties imposed by criminal or civil law, some by moral law. Here too there is a difference in mental attitude between the charitable and the uncharitable. The charitable do these things fairly and in good faith; for it is a commandment of charity that one should deal fairly and in good faith with all with whom one has business or commercial dealings (see above, 422ff). The same acts are performed quite differently by the uncharitable.