The only people who cannot change are the most wise and the most stupid.

Look for an occupation that you like, and you will not need to labor for a single day in your life.

To go beyond is as wrong as to fall short.

The object of the superior man is truth.

When you are laboring for others, let it be with the same zeal as if it were for yourself.

Conscience is the inner voice which warns us that someone might be looking. Hear and you forget, see and you remember, do and you understand.

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.