In his essay of Klu-sgrub-dgongs-rgyan Dge-vdun-chos-vphel expresses his distinct impression and insight on Madhyamika's ideas.Starting from the relationship between opinion and truth, he radically denies the possibility and reality of human beings' recognition of absolute truth in their empirical scope.As a result, theoretically he denies an omniscient observer and thus advocates a pluralistic methodology in the Tibetan Buddhist theory.