"If you take a reasonable amount of vitamin C regularly, the incidence of the common cold goes down. If you get a cold and start immediately, as soon as you start sneezing and sniffling, the cold just doesn't get going."

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I just haven't been conditioned into thinking that the right answer can't be a simple one. When I told you you'd been contaminated I meant by that attitude, which is wider-spread than the common cold and just as undermining. Did nobody ever point out to you that the only liberty implied by free will is the opportunity to be wrong?

— John Brunner