The phrase "If you don't stick to Mo Bao, you will become a painter" means that you can't draw a beautiful picture without holding a pen and ink, which means that a person can't realize his inner desire without taking action.

Among them, "Mo Bao" is the general name of ancient Four Treasures of the Study, which refers to pen and ink; "Danqing" is the name of painting art, Dan is cinnabar, and blue refers to azurite (azurite), which are commonly used colors in ancient paintings in China. Therefore, painting art was called Danqing in ancient times.