If you wish to care for your body, first of all take care of material things, though even when you have all the things you want, the body can still be uncared for
ZhuangziCalculate what man knows and it cannot compare to what he doesn't know. Calculate the time he is alive and it cannot compare to the time before he was born. Yet man takes something so small and tries to exhaust the dimensions of something so large!
ZhuangziA battering ram can knock down a city wall, but it cannot stop a hole. Different things have different uses.
Zhuangzi