William of Occam Professions : Philosopher Browse All Authors Famous Quotes by William of Occam It is vain to do with more what can be done with fewer. William of Occam more fewer vain done Plurality should not be posited without necessity. William of Occam plurality necessity without should Similar Authors F. H. Bradley philosopher Irving Copi philosopher Ivan Ilyin philosopher Ivan Illich philosopher Bion of Borysthenes philosopher Bonaventure philosopher All Authors