Jin Shichang's immortal calligraphy and painting means self-extension.

"Stone can live forever, and calligraphy and painting can prolong life" is an idiom circulated in ancient China, which means that the handwriting carved by stone can live forever and the art of calligraphy and painting can prolong life. This idiom mainly expresses high praise for calligraphy and painting, as well as recognition of the beauty of art and the cultural value they can bring. The words carved in stone carvings can be preserved for a long time and will not fade, while the paintings and calligraphy works can be passed down with the artist's creativity and performance skills. This allusion is widely quoted in China culture to praise and praise excellent calligraphy and painting works, and is often used as a metaphor for the immortal value of excellent cultural inheritance and artistic creation.