The principle enlightens us when we observe the operation of Nature. Being the virtue, the operation stems from the Tao that is the essence of the universe.

• 而这种义理是我们观察自然运行得到的启示。而自然运行也就是德,是源于道的。道正是这个宇宙的根本。故通于天地者,德也;行于万物者,道也;