other commentators have corrupted and obscured him. The opinions prevalent in one age, as truths above the reach of controversy, are confuted and rejected in another, and rise again to reception in remoter times. Thus the human mind is kept in motion without progress. Thus sometimes truth and error, and sometimes contrarieties of error, take each other's place by reciprocal invasion. The tide of seeming knowledge, which is poured over one generation, retires and leaves another naked and barren; the sudden meteors of intelligence, which for a while appear to shoot their beams into the regions of obscurity, on a sudden withdraw their lustre, and leave mortals again to grope their way.
These elevations and depressions of renown, and the contradictions to which all improvers of knowledge must for ever be exposed, since they are not escaped by the highest and brightest of mankind, may surely be endured with patience by critics and annotators, who can rank themselves but as the satellites of their authors. How canst thou beg for life, says Homer's hero to his captive, when thou knowest that thou art now to suffer only what must another day be suffered by Achilles? . . .
I can say with great sincerity of all my
