Traveling to the Qin Empire where warriors were respected, Ma Zheng found that he had become a useless student at Tianwu Academy.
While others were practicing martial arts, he took out a copy of "Basic Mechanics Principles". When his mentor laughed at his ability to talk on paper, he used the principle of leverage to capture three provocateurs at once. When the academy genius showed off his peerless martial arts skills in the ring, he used hydraulics to calculate the weakness of his opponent's strength and win with one blow.
