As regards the quietude of the sage, he is not quiet because quietness is said to be good. He is quiet because the multitude of things cannot disturb his quietude. When water is still, one's beard and eyelashes are reflected in it. A skilled carpenter uses it in a level to obtain a measurement. If still water is so clear, how much more are the mental faculties! The mind of the sage is the mirror of heaven and earth in which all things are reflected.
ZhuangziStandards 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.
ZhuangziBeing is thoughtless-beyond and beneath all categories of thought. Expression is the realization of creative thought. Being is still; expression, moving. But then if I do not strive, who will?
ZhuangziTo be constant is to be useful. To be useful is to realize one's true nature. Realization of one's true nature is happiness. When one reaches happiness, one is close to perfection.
ZhuangziTao is obscured when men understand only one pair of opposites, or concentrate only on a partial aspect of being. Then clear expression also becomes muddled by mere wordplay, affirming this one aspect and denying all the rest. The pivot of Tao passes through the center where all affirmations and denials converge. He who grasps the pivot is at the still-point from which all movements and oppositions can be seen in their right relationship... Abandoning all thought of imposing a limit or taking sides, he rests in direct intuition.
Zhuangzi