He used the writings of Aristotle, whose works were becoming known, and other philosophical works.
Paul Simon | Simon & Schuster | Simon Cowell | Carly Simon | Simon Fraser University | John Simon Guggenheim Memorial Foundation | Simon | Neil Simon | Tournai | Simón Bolívar | Simon Templar | Simon & Garfunkel | Simon de Montfort, 6th Earl of Leicester | Simon Furman | Simon Rattle | Simon de Montfort | Simon and Garfunkel | Simon Boccanegra | Simon Schama | Simon Mayr | Simon Winchester | Simon Property Group | Simon Newcomb | Simon Fuller | Joe Simon | William E. Simon | Simon Vouet | Simon Says | Simon Reynolds | Simon Plouffe |