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

If the gentleman is not serious, he will not be respected, and his learning will not be on a firm foundation. He considers loyalty and faithfulness to be fundamental, has no friends who are not like him, and when he has made mistakes, he is not afraid of correcting them.

One who has accumulated virtue will certainly also possess eloquence; but he who has eloquence doe not necessarily possess virtue.

I transmit but do not create. I place my trust in the teachings of antiquity.

I have never seen one who really loves goodness or one who really hates wickedness. One who really loves goodness will not place anything above it. One who really hates wickedness will practice goodness in such a way that wickedness will have no chance to get at him. Is there anyone who has devoted his whole strength to doing good for even as long as a single day? I have not seen anyone give up such an attempt because he had not the strength to go on. Perhaps there is such a case, but I have never seen it.

Behave when away from home as though you were in the presence of an honored guest. Employ the people as though you were assisting at an important sacrifice. Do not do to others what you would not like yourself. Then there will be no feelings of opposition to you, whether it is the affairs of a state that you are handling or the affairs of a family.

In the Book of Poetry there are three hundred poems, but the meaning of all of them may be put in a single sentence: Have no debasing thoughts.