Tacitus' Conception of the Function of History
There were various conceptions of the function of history current in the ancient world. There was always one school of so-called historians who wrote with the motive of giving pleasure uppermost in their minds. The absence of a novel from classical literature left romance to invade history and oratory, and writers of this school might often be more properly called historical novelists than historians. They were especially susceptible to the influence of declamation and the rhetorical worship of style. For this school, in brief, history was nothing but the raw material for the literary artist. A second school, of which Polybius is the most prominent representative, held that history should be the training-ground of politicians, statesmen, and soldiers, who may learn from the past how to discover the real significance of events. Polybius naturally attached more importance to truth (which, he says, is to history what the eye is to the human body) than did those who wrote only for entertainment. Thirdly, there was the view that it is the function of history to teach men of all stations the lessons of the past, and by so teaching form and strengthen the individual moral character. This last is the view of Tacitus, though his conception of the function of history is broad enough to embrace the other two in a properly subordinate measure.