“To have a good memory the first thing you have to do is to trust your memory.”
Jesse W. M. DuMond, Paul Sophus Epstein http://www.nap.edu/openbook.php?record_id=568&page=147, in Biographical Memoirs V.45, National Academy of Sciences (NAS), published by National Academies Press (1974), ISBN 0-309-02239-8, p. 140
