Lincoln had then reached the full maturity of his powers. His equipment as a statesman did not embrace a comprehensive knowledge of public affairs. What he had studied he had indeed made his own, with the eager craving and that zealous tenacity characteristic of superior minds learning under difficulties. But his narrow opportunities and the unsteady life he had led during his younger years had not permitted the accumulation of large stores in his mind. It is true, in political campaigns he had occasionally spoken on the ostensible issues between the Whigs and the Democrats, the tariff, internal improvements, banks, and so on, but only in a perfunctory manner. Had he ever given much serious thought and study to these subjects, it is safe to assume that a mind so prolific of original conceits as his would certainly have produced some utterance upon them worth remembering. His soul had evidently never been deeply stirred by such topics. But when his moral nature was aroused, his brain developed an untiring activity until it had mastered all the knowledge within reach. As soon as the repeal of the Missouri Compromise had thrust the slavery question into politics as the paramount issue, Lincoln plunged into an arduous study of all its legal, historical, and moral aspects, and then his mind became a complete arsenal of argument. His rich natural gifts, trained by long and varied practice, had made him an orator of rare persuasiveness. In his immature days, he had pleased himself for a short period with that inflated, high-flown style which, among the uncultivated, passes for “beautiful speaking.” His inborn truthfulness and his artistic instinct soon overcame that aberration and revealed to him the noble beauty and strength of simplicity. He possessed an uncommon power of clear and compact statement, which might have reminded those who knew the story of his early youth of the efforts of the poor boy, when he copied his compositions from the scraped wooden shovel, carefully to trim his expressions in order to save paper. His language had the energy of honest directness and he was a master