T 3.2.6.5

First, If nature had given us a pleasure of this kind, it wou'd have been as evident and discernible as on every other occasion; nor shou'd we have found any difficulty to perceive, that the consideration of such actions, in such a situation, gives a certain pleasure and a sentiment of approbation. We shou'd not have been oblig'd to have recourse to notions of property in the definition of justice, and at the same time makeuse of the notions of justice in the definition of property. This deceitful method of reasoning is a plain proof, that there are contain'd in the subject some obscurities and difficulties, which we are not able to surmount, and which we desire to evade by this artifice.