Dilthey investigates the philosophical foundations of humanism through addressing psychology and the hermeneutics of the historical-social life. In addition to criticizing positivism and historicism in humanistic philosophy, he considers "objectivity" from positivism and "historicity" from historicism as the strengths of these two approaches.  Adopting the idea "objective spirit" from Hegel and placing it in an empirical, cultural, and historical context along with an explanation of the relationship among lived experience, life objectivists, and life concepts, he philosophically defends the objectivity of the human sciences.