Chinese wisdom. "When you know a thing, say that you know it. When you do not know a thing, say that you do not know it. That is wisdom." From the Analects of Confucius.
LINKS:
Classical Chinese Scriptures and the Precepts of Confucianism
The Analects of Confucius
Confucius and the Analects (Lun Yu) A detailed translation with the original Chinese
Tao Te Ching 1
Tao Te Ching 2 This version contains much elaboration on the simplicity of the original