The Great Learning Passage 3

What is meant by "making the thoughts sincere" is the allowing no self-deception, as when we hate a bad smell, and as when we love what is beautiful. This is called self-enjoyment. Therefore, the superior man must be watchful over himself when he is alone. There is no evil to which the mean man, dwelling retired, will not proceed, but when he sees a superior man, he instantly tries to disguise himself, concealing his evil, and displaying what is good. The other beholds him, as if he saw his heart and reins; of what use is his disguise? This is an instance of the saying "What truly is within will be manifested without." Therefore, the superior man must be watchful over himself when he is alone. The disciple Zeng said, "What ten eyes behold, what ten hands point to, is to be regarded with reverence!" Riches adorn a house, and virtue adorns the person. The mind is expanded, and the body is at ease. Therefore, the superior man must make his thoughts sincere.