The psychology of individual types of character has hardly begun even to be sketched as yet—our lectures may possibly serve as a crumb-like contribution to the structure. The first thing to bear in mind (especially if we ourselves belong to the clerico-academic-scientific type, the officially and conventionally "correct" type, "the deadly respectable" type, for which to ignore others is a besetting temptation) is that nothing can be more stupid than to bar out phenomena from our notice, merely because we are incapable of taking part in anything like them ourselves.
