It is stated in Ssǔ-ma Chʽien’s history that Sun Wu was a native of the Chʽi State, and employed by Wu ; and that in the reign of Ho Lu he crushed Chʽu , entered Ying , and was a great general. But in Tso’s Commentary no Sun Wu appears at all. It is true that Tso’s Commentary need not contain absolutely everything that other histories contain. But Tso