Sun Tzu’s The Art of War is probably the world’s oldest trea…

Sun Tzu’s The Art of War is probably the world’s oldest treatise on military strategy and methods; Tzu’s book teaches that warfare should not be taken lightly, that winning requires both knowledge of one’s opponent and being realistic about oneself, and that one should use force as a last resort. According to Sun Tzu, the enemy should not be utterly crushed, but must taste bitterness.