The soul of wit may become the very body of untruth. However elegant and memorable, brevity can never, in the nature of things, do justice to all the facts of a complex situations. On such a theme one can be brief only by omission and simplification. Omission and simplification help us to understand - but help is, in many cases, to understand the wrong thing; for our comprehension may be only of the abbreviator's neatly formulated notions, not of the vast, ramifying reality from which these notions have been so arbitrarily abstracted.