To prefer it is better than to only know it. To delight in it is better than merely to prefer it.
The beginning of wisdom is to call things by their proper name.
A man who reviews the old so as to find out the new is qualified to teach others.
Even in killing men, observe the rules of propriety.
Knowledge is merely brilliance in organization of ideas and not wisdom. The truly wise person goes beyond knowledge.
A man should practice what he preaches, but a man should also preach what he practices.