A true gentleman makes demands upon himself but not upon others.

The commander of the forces of a large State may be carried off, but the will of even a common man cannot be taken from him.

Faithfulness and sincerity first of all.

Know what you know and know that you don't know what you don't know — that is the characteristic of one who knows.

A superior man is modest in his speech, but exceeds in his actions.

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

Straight-forwardness, without the rules of propriety, becomes rudeness.