Introduction to Sun Wu: Sun Tzu, whose surname is Sun Mingwu and whose courtesy name is Changqing. The world respectfully calls him Sun Tzu or Sun Wu Zi. At the end of the Spring and Autumn Period, he was a native of Le'an (today's Guangrao, Shandong) in the State of Qi. He was an outstanding military strategist, military theorist and thinker in ancient my country. He was praised by later generations as the "Sage of Soldiers", "The Originator of Military Strategies" and "The Forefather of Military Talks". Sun Tzu's "The Art of War" is also known as the "Military Classic" and the "Sacred Text of Military Science" and is highly respected both at home and abroad in ancient and modern times.