[61] The only case in which such extraneous matters can be fairly called in is when facts are stated resting on testimony; then it is not only just, but it is necessary for the sake of truth, to inquire into the habits of mind of him by whom they are adduced.—BABBAGE, _Bridgewater Treatise_, p. xiv. [62] There is no part of our knowledge which it is more useful to obtain at first hand—to go to the fountain-head for—than our knowledge of History.—J. S. MILL, _Inaugural Address_, 34. The only sound intellects are those which, in the first instance, set their standard of proof high.—J. S. MILL, _Examination of Hamilton's Philosophy_, 525. [63] There are so few men mentally capable of seeing both sides of a question; so few with consciences sensitively alive to the obligation of seeing both sides; so few placed under conditions either of circumstance or temper, which admit of their seeing both sides.—GREG, _Political Problems_, 1870, 173. Il n'y a que les Allemands qui sachent être aussi complètement objectifs. Ils se dédoublent, pour ainsi dire, en deux hommes, l'un qui a des principes très arrêtés et des passions très vives, l'autre qui sait voir et observer comme s'il n'en avait point.—LAVELEYE, _Revue des Deux Mondes_, 1868, i. 431. L'écrivain qui penche trop dans le sens où il incline, et qui ne se défie pas de ses qualités presque autant que ses défauts, cet écrivain tourne à la manière.—SCHERER, _Mélanges_, 484. Il faut faire volte-face, et vivement, franchement, tourner le dos au moyen âge, à ce passé morbide, qui, même quand il n'agit pas, influe terriblement par la contagion de la mort. Il ne faut ni combattre, ni critiquer, mais oublier. Oublions et marchons!—MICHELET, _La Bible de l'Humanité_, 483. It has excited surprise that Thucydides should speak of Antiphon, the traitor to the democracy, and the employer of assassins, as “a man inferior in virtue to none of his contemporaries.” But neither here nor elsewhere does Thucydides pass moral judgments.—JOWETT, _Thucydides_, ii. 501.