In antiquity the sage kings recognized that mens nature is bad and that their tendencies were not being corrected and their lawlessness controlled. – Xun Zi
The person attempting to travel two roads at once will get nowhere. – Xun Zi
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. – Xun Zi
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 peoples emotional nature. – Xun Zi