Note 15 — PREFACE
Reading edition
Many people seem to think that a position is proved if it can not be disproved.... Very few see with Sir George Lewis—though Sir George Lewis perhaps carried his own doctrine a little too far—that in a great many cases we ought to be satisfied with a negative result, that we must often put up with knowing that a thing did not happen in a particular way, or did not happen at all, without being furnished with any counter-statement to put in the place of that which we reject.15