"I do think it strange that people have doubted everything and have again reached certainty, without as much as dropping a word concerning the difficulties which have held my thought captive—so much so that I have, now and then, longed to be freed of them—freed by the aid of one, note well, who was aware of these difficulties, and not of one who in his sleep had a notion to doubt, and to have doubted, everything, and again in his sleep had the notion that he is explaining, and has explained, all."