He who speaks does not know
He who knows does not speak
Soften the light
Untie the tangles
Become one with the dusky afternoon
– Lao Tzu, 6th-5th century BC philosopher, excerpt from Tao Te Ching
Knowing others is intelligence;
knowing yourself is true wisdom.
Mastering others is strength; mastering yourself is true power.
There is a thing inherent and natural, which existed before heaven and earth. Motionless and fathomless, It stands alone and never changes; It pervades everywhere and never becomes exhausted. It may be regarded as the Mother of the Universe. I do not know its name. If I am forced to give it a name, I call it Tao, and I name it as supreme.
老子 Lǎozi (c. 6th-5th century BC) was a Chinese monist philosopher; also called Lao Zi, Lao Tzu, Lao Tse, or Lao Tze. The Tao Te Ching (道德經, Pinyin: Dào Dé Jīng, or Dao De Jing) represents the sole document generally attributed to Laozi.