A person is born with desires of the eyes and ears, and a liking for beautiful sights and sounds. If he gives way to them, they will lead him to immorality and lack of restriction, and any ritual principles and propriety will be abandoned.
Human nature is what Heaven supplies.
There are successful scholars, public-spirited scholars, upright scholars, cautious scholars, and those who are merely petty men.
The rigid cause themselves to be broken; the pliable cause themselves to be bound.
If the gentleman has ability, he is magnanimous, generous, tolerant, and straightforward, through which he opens the way to instruct others.
Human nature is evil, and goodness is caused by intentional activity.
