Dong doesn't want me anymore.

These two words are universal. You can use either word. (These two words seem to have existed before the Tang Dynasty. )

Therefore, you can use it flexibly according to your own calligraphy layout, density contrast and aesthetic needs.

If you want to use "rock", you can't write "rock". You can imitate the structural characteristics of Liu Ti and write it yourself. You need to have the highest level, both form and spirit. )