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.

Tell me and I forget. Teach me and I remember. Involve me and I learn.

Human nature is evil, and goodness is caused by intentional activity.

Now it is human nature to want to eat to ones fill when hungry, to want to warm up when cold, to want to rest when tired. These all are a part of people's emotional nature.

Human nature refers to what is in people but which they cannot study or work at achieving.

The noble person uses things; the lesser man is used by things.

The drum is surely the lord of music, is it not?