When there is no more separation between ‘this’ and ‘that,’ it is called the still-point of the Tao. At the still point in the center of the circle one can see the infinite in all things.
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?
Study is to study what cannot be studied. Undertaking means undertaking what cannot be undertaken. Philosophizing is to philosophize about what cannot be philosophized about. Knowing that knowing is unknowable is true perfection.
Compare birth with death, compare death with life; compare what is possible with what is not possible and compare what is not possible with what is possible; because there is, there is not, and because there is not, there is.
