If the people be led by laws, and uniformity sought to be given them by punishments, they will try to avoid the punishment, but have no sense of shame. If they be led by virtue, and uniformity sought to be given them by the rules of propriety (could be translated as 'rites'), they will have the sense of the shame, and moreover will become good.

In the Great Learning (大學) by Confucius, translated by James Legge

Interestingly I found this in a piece about cancer treatment. An possibly underused well-application of Fluid Analogies.