History shows that wars are divided into two kinds-just and unjust. All wars that are progressive are just, and all wars that impede progress are unjust.
Mao ZedongWinds flap the sail, tortoise and snake are silent, a great plan looms. A bridge will fly over this moat dug by heaven and be a road from north to south. We will make a stone wall against the upper river to the west and hold back steamy clouds and rain of Wu peaks. Over tall chasms will be a calm lake, and if the goddess of these mountains is not dead she will marvel at the changed world.
Mao Zedong