In The Theory of Health Preservation, he advocated "quiet, less selfish and less lustful" and criticized the gentry for leading an indulgent life, especially those who wanted to live a long life and enjoy themselves. He said that such people "want to be swayed by considerations of gain and loss, but they are afraid of losing. If they suffer, they will not lose. " In the world, you can't be arrogant, plump, meticulous or lost! "Ji Kang is like this. He thoroughly described the abnormal psychology of extremely greedy scholars in Wei and Jin Dynasties, which was caused by the sudden gathering of gains and losses and the impermanence of life and death.

Relax. I don't know.