be interesting, too complex to be mechanical, and without any personal significance to you whatever. This done, get straightway into a room that is not ventilated at all, and that is already full of foul air, and there set yourself to think out some very complicated problem. In a very little while you will find yourself in a state of intellectual muddle, annoyed, impatient, snatching at the obvious presently in choosing and rejecting conclusions haphazard. Try to play chess under such conditions and you will play stupidly and lose your temper. Try to do anything that taxes the brain or temper and you will fail.
Now, the whole world before the Change was as sick and feverish as that, it was worried and overworked and perplexed by problems that would not get stated simply, that changed and evaded solution, it was in an atmosphere that had corrupted and thickened past breathing; there was no thorough cool thinking in the world at all. There was nothing in the mind of the world anywhere but half-truths, hasty assumptions, hallucinations, and emotions. Nothing. . . .
I know it seems incredible, that already some of the younger men are beginning to doubt the greatness of the Change our world has undergone, but read—read the newspapers of that time. Every age becomes mitigated and
