When we see persons of worth, we should think of equaling them; when we see persons of a contrary character, we should turn inwards and examine ourselves.
ConfuciusTo know that one knows what one knows, and to know that one doesn't know what one doesn't know, there lies true wisdom.
ConfuciusIn 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.
Confucius