The commonality of power can be analyzed in the following ways: The essence of power is to control others. Those in power controlled others through various means, including making laws, setting rules, controlling resources, appointing officials, granting honors, and so on. Power is often accompanied by violence. Those in power used violence to maintain their power, including suppressing the opposition, punishing criminals, using the army, and carrying out political persecutions. 3. Power is often related to benefits. Those in power often maintained their power by obtaining benefits, including corruption, plundering resources, manipulating the market, controlling the economy, and so on. Power often leads to the concentration of power. Those in power would usually concentrate their power in the hands of a few people, causing others to be excluded from power or even monitored and controlled. Power is often related to personal qualities. Those in power had certain personal qualities, such as intelligence, cruelty, generosity, selfishness, integrity, and so on. These qualities would affect how they used power and how they maintained their power.