Thus, in accordance with the spirit of the Historical School, knowledge of the principles of the human world falls within that world itself, and the human sciences form an independent system.
The existence of inherent limits of experience in no way settles the question about the subordination of facts of the human world to our knowledge of matter.
A knowledge of the forces that rule society, of the causes that have produced its upheavals, and of society's resources for promoting healthy progress has become of vital concern to our civilization.
To attempt this would be like seeing without eyes or directing the gaze of knowledge behind one's own eye. Modern science can acknowledge no other than this epistemological stand-point.