《墨子·50章 公输》
译文公输盘为楚国造了云梯那种器械，造成后，将用它攻打宋国。
公输盘为楚造云梯之械，成，将以攻宋。
Translation: Gongshuban made a siege machine like the ladder for the State of Chu, and after it was completed, he was going to use it to attack the State of Song.