Mencius said that human nature is good. I disagree with that. – Xun Zi

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

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