Quotes by Empiricism Metaphysics must be based on what exists, for it has the task of explicating it. Franz Grillparzer empiricism metaphysics tasks Only he who finds empiricism irksome is driven to method. Johann Wolfgang von Goethe empiricism method driven Yes, I know liberals are more empirical because Jonathan Chait says they are, but my empirical studies of liberal empiricism keep spitting out contradictory findings. Jonah Goldberg empiricism contradictory study