With the Romans, for a thousand years, war was a passion; and, while it lasted, it consumed all other passions. It animated statesmen, rulers, generals, and citizens alike, ever burning, never at rest,--a passion unscrupulous, resistless, all-pervading, all-absorbing, all-conquering. Success in war gave consideration, dignity, honor beyond all other successes. It always has called out popular admiration, and its glory has ever been highly prized, and it always will be so, but it has not monopolized all offices and dignities as among the Romans. The Greeks thought of art, of literature, and of philosophy as well as of war, and gave their crowns of glory for civic and artistic excellence as well as for military success. The Greeks fought to preserve or extend their civilization; the Romans, in order to rule. They had very little respect for any thing beyond military genius. The successful warrior alone was the founder of a great family. The Roman aristocracy, so proud, so rich, so powerful, was based on the glory of battle-fields. Every citizen was trained to arms, and senators and statesmen commanded armies. The whole fabric of the State was built up on war, and for many centuries it was the leading occupation of the people. How insignificant was a poet, or a painter, or a philosopher by the side of a warrior! Rome was a city of generals, and they preoccupied the public mind. [Sidenote: Value placed by the Romans on military art.] To a Roman, military art was the highest of all. It was constantly being improved, until it reached absolute perfection, with the old weapons and implements of war. To its perfection the whole genius of the people was consecrated; it was to them what the fine arts were to the Greeks, what priestly domination was to the Middle Ages, and what material inventions to abridge human labor are to us. The Romans despised literature, art, philosophy, commerce, agriculture, and even luxury, when they were making their grand conquests; they only respected their fortunate generals. Hence there was no great encouragement to genius or ambition in any other field; but in this field, the horizon perpetually expanded. Every new conquest prepared the way for successive conquests; ambition here was untrammeled, energy was unbounded, visions of glory were most dazzling, warlike schemes were most fertile, until the whole world lay bleeding and prostrate. [Sidenote: Lawfulness of war.]