to pay it twice, he is sufficiently aware, without ever having read Bernheim's Lehrbuch , that the relevant facts must be clearly established by the testimony of independent witnesses not self-deceived. He does not know, or need to know, that his personal interest in the performance is a disturbing bias which will prevent him from learning the whole truth or arriving at ultimate causes. Mr. Everyman does not wish to learn the whole truth or to arrive at ultimate causes. He wishes to pay his coal bill. That is to say, he wishes to adjust himself to a practical situation, and on that low pragmatic level he is a good historian precisely because he is not disinterested: he will solve his problems, if he does solve them, by virtue of his intelligence and not by virtue of his indifference. Nevertheless, Mr. Everyman does not live by bread alone; and on all proper occasions his memory of things said and done, easily enlarging his specious present beyond the narrow circle of daily affairs, will, must inevitably, in mere compensation for the intolerable dullness and vexation of the fleeting present moment, fashion for him a more spacious world than that of the immediately practical. He can readily recall the days of his youth, the places he has lived in, the ventures he has made, the adventures he has had -- all the crowded events of a lifetime; and beyond and around this central pattern of personally experienced events, there will be embroidered