Concepts Represent the Complex of Our Experiences

The only justification for our concepts is that they serve to represent thc complex of our experiences; beyond this they have no legitimacy. I am convinced that the philosophers had a harmful effect upon the progress of scientific thinking in removing certain fundamental concepts from the domain of empiricism, where they are under control, to the intangible heights of the a priori—the universe of ideas is just as little independent of the nature of our experiences as clothes are of the form...