Page "Homo economicus" Paragraph 7

" Again, how immeasurably greater is the pleasure, when a man feels a thing to be his own ; for surely the love of self is a feeling implanted by nature and not given in vain, although selfishness is rightly censured ; this, however, is not the mere love of self, but the love of self in excess, like the miser's love of money ; for all, or almost all, men love money and other such objects in a measure.

And further, there is the greatest pleasure in doing a kindness or service to friends or guests or companions, which can only be rendered when a man has private property.