The frequent excursions which I have made into this province have all sprung from the profound conviction that the foundations of science as a whole, and of physics in particular, await their next greatest elucidations from the side of biology, and especially, from the analysis of the sensations.Science stands thus in the midst of the natural process of evolution, and she can guide evolution in the proper direction and help it along, but never replace it.A broad foundation is laid for (...) the theory in question, and light is shed upon it from new sides, if, in conformity with the stimulus given by Darwinism, we conceive of all psychical life—including science—as biological appearance, and if we apply to the theory the .. (shrink)