Being quiet is the first level of cultivation and is also a crucial step.
As the degree of calming deepens, the effort is constantly improving. Into the static is to enter the qigong state we usually call.
In this state, the practitioners have a mindfulness, a chaotic chaos, and no distinction. There is no difference.
Taoism called it a guardian, and the Buddha called it empty.
There is a section in Laozi’s Tao Te Ching that describes this state: “The Tao is the object, but it is the blasphemy. Hey, there are elephants, 恍兮惚兮, there are things,…” Two words, very knowledgeable, have been explained by many scholars.