Bernard Glueck, Studies in Forensic Psychiatry
“ It would certainly be vastly convenient and would save a world of trouble if it were possible to draw a hard and fast line and to declare that all persons who were on one side of it must be sane and all persons who were on the other side of it must be insane. But a very little consideration will show how vain it is to attempt to make such a division. That nature makes no leaps, but passes from one complexion to its opposite by a gradation so gentle that one shades imperceptibly into another and no one can fix positively the point of transition, is a sufficiently trite observation. ”
