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 know is to know that you know nothing. That is the meaning of true knowledge.

A reasonable man adjusts himself to the world. An unreasonable man expects the world to adjust itself to him. Therefore all progress is made by unreasonable people.

Those who are firm, enduring, simple and unpretentious are the nearest to virtue.

The gentleman desires to be halting in speech but quick in action.

The superior man is quiet and calm, waiting for the appointments of heaven, while the mean man walks in dangerous paths, looking for lucky occurrences.

Men's natures are alike; it is their habits that separate them.