What does calligraphy mean to nourish the heart?

"Hanmo Nourishes the Heart" is an idiom, which means to cultivate sentiment and protect the soul by reading and writing, so as to make one's moral character noble and elegant. This idiom mainly emphasizes the importance of literary and artistic accomplishment to a person's mental health. Appreciating and creating literary and artistic works can purify the mind, improve the moral realm and cultivate sentiment.