After the Zhou people conquered the Shang people in the middle of the eleventh century BCE, the early Zhou kings ruled by letting feudal lords govern vassal states. As their powers grew, feudal lords fought one another and resisted the Zhou king until the state of Qin conquered all other states in 221 BCE. A number of ethical and political thinkers lived in the period from the sixth to third century BCE, proposing different ways of restoring order as well as ideal ways of life for human beings. Among them, several thinkers, including Confucius (sixth.....