Heart Sutra, this content has also been written by many calligraphers, and many excellent works have been passed down from generation to generation.
Others are: Humble Room Inscription, Ma Shuo, Shi Shuo, Ailian Shuo, I Want Fish, Encourage Learning, Red Cliff Fu and Guo Qin Lun.
Most of them are ancient Chinese texts that are required to be recited in high school, which can not only consolidate memory but also achieve the effect of practicing calligraphy.
Ancient poetry is also a good choice. Practicing calligraphy is a very boring thing. On the one hand, practicing calligraphy with ancient poetry can appreciate the beauty of ancient poetry and dilute the boring atmosphere. On the one hand, ancient poetry is short and rhythmic, and it feels better to write.
Ancient calligraphers were mostly poets. Practicing their calligraphy can not only learn calligraphy but also poetry knowledge, which can be described as killing two birds with one stone.