The deceiver is really the fool. - Immanuel Kant

Dignity is a value that creates irreplaceability.

A whole from necessary substances is impossible. The whole, therefore, of substances is a whole of contingent things, and the world consists essentially of only contingent things.

The only quality necessary for being a citizen (i.e., a co-legislator), other than the natural one (that he is neither a child nor a woman), is that he be his own master, consequently that he have some property to support himself.