chapter  4
On being wrong
Pages 7

The fact of corrigibility is simply that our convictions, valuations, and theories are liable to be mistaken. The question arises whether this sword of Damocles hangs over all our beliefs, or whether there are some privileged regions unmenaced by it; whether there are means of exorcizing it; whether we should even try to exorcize it, and if not, should instead resign ourselves to the possibility of error shadowing everything.