Therefore, a person should first be changed by a teachers instructions, and guided by principles of ritual. Only then can he observe the rules of courtesy and humility, obey the conventions and rules of society, and achieve order. – Xun Zi
Human nature refers to what is in people but which they cannot study or work at achieving. – 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
Thus, anybody who follows this nature and gives way its states will be led into quarrels and conflicts, and go against the conventions and rules of society, and will end up a criminal. – Xun Zi