"Lao Tzu": "Therefore, if the resistance is increased, the mourner will win." Wang Bi notes: "If the resistance is increased, it will also be increased. The mourner will pity each other, but will not be interested in benefits and avoid harm, so he will win." Ren Jiyu notes: "Sorrow, grief, grief and indignation." Later, he said that the party who is sad and indignant because of pressure will be able to defeat the enemy. Liberation Daily, 1946.11.3: "Just because a mournful soldier will win and a proud soldier will lose, the outskirts of Lianshui City will become the tomb of Chiang's army." ◎ A mournful soldier will win