Bravery determines the victorious outcome of a battle. As a trait, bravery refers mainly to the fighting spirit, the will to win, and fearless heroism. It is characteristically a necessary condition or a pre-requisite that decides the victorious outcome of a battle. Such a trait should not only be found in an army, but also in the general public because the latter provides the social support to wage a war. Only from a heroic population can adequate manpower, materials, money, and moral that the war needs be drawn. This term implies the notion of a general war.

A country with brave people will win the war whereas that with cowardly people will lose the war. (The Book of Lord Shang)