His name is Sun Tzu. He wrote "The Art of War," and if you see his statement underneath, it's along these lines: "Attack him where he is unprepared, appear where you are not expected."
他的名字叫孙子 他写了《孙子兵法》 如果你读他的叙述，也就是下面这行字： “攻其无备, 出其不意”