What is the content of calligraphy that promotes righteousness with pen and ink and praises honesty with calligraphy?

The content is incorruptible cultural poems, aphorisms and beautiful essays.

The content takes pen as the speech, paper as the medium, honesty as the soul, and vividly expresses the faith and determination of honesty and simplicity through calligraphy works.

The content form of this calligraphy activity held in each place may be different, but their central content is incorruptibility.