What are the diligent calligraphy works?

1, diligent calligraphy works, as shown in the following figure:

2. Calligraphy works are mainly diligent, as shown in the following figure:

3. Calligraphy works are mainly diligent, as shown in the following figure:

4. Calligraphy works are mainly diligent, as shown in the following figure:

5. Calligraphy works are mainly diligent, as shown in the following figure:

6. Calligraphy works are mainly diligent, as shown in the following figure:

7. Calligraphy works are mainly diligent, as shown in the following figure:

8. Calligraphy works are mainly diligent, as shown in the following figure: