...the ten thousand things belong to one storehouse and life and death share the same body.

To use what has a boundary to pursue what is limitless is dangerous; with this knowledge, if we still go after knowledge, we will run into trouble. Do not do what is good in order to gain praise. If you do what is bad be sure to avoid the punishment. Follow the Middle Course, for this is the way to keep yourself together, to sustain your life, to care for your parents and to live for many years.

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.

It is only when the formed learns from the unformed that there is understanding.

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 utility of useful things; but they do not know the utility of futility.

Flow with whatever may happen and let your mind be free. Stay centered by accepting whatever you are doing. This is the ultimate.