Human Nature Is Good.
This view on human nature was first proposed by Mencius. As Mencius saw it, human nature is the inherent moral character which a human being naturally possesses and which distinguishes him from an animal. In this sense, human nature underpins such virtues as benevolence, righteousness, sound social norms, and good judgment. However, good human nature does not automatically constitute virtuous conduct. People need to continuously cultivate good human nature in order to develop virtuous conduct.
When Mencius spoke about human nature being good, he always referred to the exploits of Emperor Yao and Emperor Shun. (Mencius)
Mencius made a great contribution to the world by proposing that human nature is good. (Zhu Xi: An Introduction to Mencius)