sentences:  He viewed each person as unique and as a result of this view, could not entirely accept Schopenhauer's preference for monism (the idea that every person and every thing is merely a modus of a singular metaphysical entity).Similar to fellow german pessimist Philipp Mainländer, Bahnsen leaned towards ontological pluralism and asserted that there is no unified will, but only "individual wills", with their own specific cravings, aims and wishes.However, these individual wills ("will henades") suffer from contradictory desires due to their irrational nature.