Bright and Dark, Invisible

"Everything has levels, as wide as rivers, lakes and seas, turbulent waves, mountains, rivers, trees, covered with gold and facing the sun, it is the macro level. And it is as small as one tree, one tree or even dust. But it does not mean that rivers are wide and the level is macro, and it is not the dust that is small but the level is subtle. The mystery is difficult to explain." The students seemed to understand but not understand, shaking their heads: Then our practice is to continuously upgrade u●??? The teacher stroked his white beard and said, "Yes, no." Then he paused and said, "How can cultivation be so simple? You have to know that from ancient times to the present, cultivation has been mysterious and mysterious for thousands of years. It is precisely because all things are strange and complex and changeable that they cannot be generalized." Newbie, as long as there is one person to chase, I will continue writing and write a story about another world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.