-He who conceives, that another hates him, will (by the last proposition) hate his enemy in return, and (III. xxvi.) will endeavour to recall everything which can affect him painfully; he will moreover endeavour to do him an injury (III.
arab.), eta, (26. Prop. arab.), nor hura Tristuraz hunki dezakeen guztia gogoratzera lehiatuko da, eta, (39. Prop. arab.), hori guztia hari egitera bermatuko.