If a person (a) is sick, (b) receives treatment intended to make him better,
and (c) gets better, then no power of reasoning known to medical science can
convince him that it may not have been the treatment that restored his health.
-- Sir Peter Medawar, The Art of the Soluble
Obviously, a man's judgement cannot be better than the information on which he
has based it. Give him the truth and he may still go wrong when he has
the chance to be right, but give him no news or present him only with distorted
and incomplete data, with ignorant, sloppy or biased reporting, with propaganda
and deliberate falsehoods, and you destroy his whole reasoning processes, and
make him something less than a man....