1. "Sitting like a bell" refers to a state of meditation, in which the body remains upright, as if it can't feel the spine, and the body seems to be empty, reaching a state of unity of mind and body.
2. "Stand like a pine and cypress": It refers to the requirement of standing a stake, which is easy for disciples to understand in Taoist practice. Stand upright like a pine, the site has a foundation, tall and straight, unshakable It also represents a persistent spirit.
This correct posture and upright standing posture are not only respected by ancient health experts in China, but also advocated by modern medicine.