their levies, arms, exercises, subordination, marches, encampments; and the invincible legion, superior in active strength to the Macedonian phalanx of Philip and Alexander. From these institutions of peace and war Polybius has deduced the spirit and success of a people incapable of fear and impatient of repose. The ambitious design of conquest, which might have been defeated by the seasonable conspiracy of mankind, was attempted and achieved; and the perpetual violation of justice was maintained