Those whose character is mean and vicious will rouse others to animosity against them.
The person attempting to travel two roads at once will get nowhere.
Human nature refers to what is in people but which they cannot study or work at achieving.
The rigid cause themselves to be broken; the pliable cause themselves to be bound.
Quarreling over food and drink, having neither scruples nor shame, not knowing right from wrong, not trying to avoid death or injury, not fearful of greater strength or of greater numbers, greedily aware only of food and drink - such is the bravery of the dog and boar.
In antiquity the sage kings recognized that men's nature is bad and that their tendencies were not being corrected and their lawlessness controlled.