Yes. It’s okay to write one piece of paper in one hour of hard-pen calligraphy class. Practicing calligraphy helps cultivate students' patience. The Chinese character book teaching materials are divided into several levels: strokes, radicals, shapes, and structures. Practicing hard-pen calligraphy requires perseverance. In today's digital era, hard-pen calligraphy is still an important skill. Learning hard-pen calligraphy requires constant practice and patience, so it is okay to write one piece of paper in one hour of hard-pen calligraphy class.