Right is not right; so is not so. If right were really right it would differ so clearly from not right that there would be no need for argument. If so were really so, it would differ so clearly from not so that there would be no need for argument.

Standards are different for all things, so the standard set by man is by no means the only 'certain' standard. If you mistake what is relative for something certain, you have strayed far from the ultimate truth.

There is a saying that Heaven is internal, humanity external and Virtue comes from the Heavenly. Know Heaven and humanity's actions, root yourself in Heaven and follow Virture.Then you can bend, stretch, rush forward or hold back, because you will always return to the core and it will be said you have achieved the supreme.

The fish trap exists because of the fish: once you have gotten the meanings, you can forget the words.

All men know the use of the useful, but nobody knows the use of the useless. Where can I find a man who has forgotten words so that I can have a word with him?

There are no greater adversaries than yin and yang, because nothing in Heaven or on Earth escapes them. But it is not yin and yang that do this, it is your heart that makes it so.

Great understanding is broad and unhurried; little understanding is cramped and busy