Skilled warriors win full victories with minimal losses via strategies instead of direct fights. Sun Tzu also offers clear tactics: surround, assault, divide, fight, defend or flee based on troop strength, warning weak forces against stubborn resistance.
Han Xin launched a brilliant northern campaign, conquering five states via ingenious tactics like the back-water battle and river diversion. This campaign isolated Xiang Yu, shifted the war tide and laid the foundation for the Western Han Dynasty.
Sun Tzu states preserving the enemy’s state and troops intact is ideal in warfare. Winning every battle is not perfect. The ultimate mastery lies in subduing the enemy completely without engaging in combat.