Do not unto another that you would hot have him do unto you. Thou needest this law alone. It is the foundation of all the rest.

To acknowledge our faults when we are blamed, is modesty; to discover them to one's friends in ingenuousness, is confidence; but to preach them to all the world, if one does not take care, is pride.

Earnest in practicing the ordinary virtues, and careful in speaking about them, if, in his practice, he has anything defective, the superior man dares not but exert himself; and if, in his words, he has any excess, he dares not allow himself such license.

If a man withdraws his mind from the love of beauty, and applies it as sincerely to the love of the virtuous; if, in serving his parents, he can exert his utmost strength; if, in serving his prince, he can devote his life; if in his intercourse with his friends, his words are sincere - although men say that he has not learned, I will certainly say that he has.

Look not at what is contrary to propriety; listen not to what is contrary to propriety; speak not what is contrary to propriety; make no movement which is contrary to propriety.

Do unto others what you want done unto you.

If I were travelling with two partners, one virtuous and one dishonest, both would be useful as teachers. I would perceive what's good of the first one and I would imitate him whereas I would try to correct in me the defects I may see in the second one.