This little work contains the chief ideas gathered together for a course of lectures on the theory and history of aesthetics given at Harvard College from 1892 to 1895. The only originality I can claim is that which may result from the attempt to put together the scattered commonplaces of criticism into a system, under the inspiration of a naturalistic psychology. I have studied sincerity rather than novelty, and if any subject, as for instance the excellence of tragedy, is presented in a new light, the change consists only in the stricter application to a complex subject of the principles acknowledged to obtain in our simple judgments. My effort throughout has been to recall those fundamental aesthetic feelings the orderly extension of which yields sanity of judgment and distinction of taste.
his expressiveness of the sky is due to certain qualities of the sensation, which bind it to all things happy and pure, and, in a mind in which the essence of purity and happiness is embodied in an idea of God, bind it also to that idea.
So it may happen that the most arbitrary and unreal theories, which must be rejected as general explanations of aesthetic life, may be reinstated as particular moments of it. Those intuitions which we call Platonic are seldom scientific, they seldom explain the phenomena or hit upon the actual law of things, but they are often the highest expression of that activity which they fail to make comprehensible. The adoring lover cannot understand the natural history of love; for he is all in all at the last and supreme stage of its development. Hence the world has always been puzzled in its judgment of the Platonists; their theories are so extravagant, yet their wisdom seems so great. Platonism is a very refined and beautiful expression of our natural instincts, it embodies