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.
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.