Constitution in the Palm of Your Hand

Life is short, lasting only a hundred years. Everyone in the world yearns for one day to live forever and enjoy the prosperity of the world, but everyone knows that immortality is not easy. The body has a strong body, and the elixir has spiritual roots, which lead the spiritual energy into the body. Based on the body, you first exercise the body and then practice the energy until you build the foundation to enter the Tao. Long life, long life, what is the purpose of seeking long life? What is long life?