LIMITATIONS 59 the general Law of Evolution to a better mode of dressing artificial Hies." " But for every interest in either the theoretical or the practical, a requisite condition has been—the opportunity offered for something new. And here may be perceived the trait which unites the extremely unlike pro- ducts of mental action exemplified above. They have one and all afforded scope for constructive imagination," Clearness in exposition was another of Spencer's gifts, and he connected this with the fact that his O ' grandfather and father had been teachers. But lucidity of exposition usually accompanies clear think- ing, and increases if there is opportunity for practice. His fearlessness and his self-confidence, he also con- nected with the fact that in school the master must be the absolute authority, but it seems much more plausible to regard this characteristic independence of judgment as an outcrop of the Nonconformist mood of his ancestors, Limitations.—Spencer was too scrupulous a self- analyst not to be aware of many of his own limita- tions, and he has exposed the defects of his qualities with the utmost frankness. Thus his disregard of authority, which helped him to independent positions in science and philosophy, seemed to become a habit of mind which prompted him to react from current beliefs and opinions without always doing them justice. His anti-classical bias led him "to under- estimate the past as compared with the present" " Lack of reverence for what others have said and done has tended to make me neglect the evidence of early achievements," One concrete instance may be selected,—his failure to appreciate Plato's dialogues, which the wise are at one in regarding as masterpieces of philosophical discussion, and as