The Book of Lord Shang was probably compiled sometime between 359 and 338 BCE. Along with the Han Fei-Tzu, it is one of the two principal sources of Legalism, a school of Chinese political thought. Legalism asserts that human behavior must be controlled through written law, rather than ritual, custom or ethics, because people are innately selfish and ignorant. The law is not effective when it is based on goodness or virtue; it is effective when it...