Therefore, a person should first be changed by a teacher's instructions, and guided by principles of ritual. Only then can he observe the rules of courtesy and humility, obey the conventions and rules of society, and achieve order.

The nature of man is evil; what is good in him is artificial.

If you wish to see the thousand years, look at today; if you wish to understand the millionfold, then look at the one or the two.

If the impulse to daring and bravery is too fierce and violent, stay it with guidance and instruction.

Thus, anybody who follows this nature and gives way its states will be led into quarrels and conflicts, and go against the conventions and rules of society, and will end up a criminal.

Human nature is what Heaven supplies.

Human nature is such that people are born with a love of profit If they follow these inclinations, they will struggle and snatch from each other, and inclinations to defer or yield will die.