No. Calligraphy has wide practicality and can cultivate one's moral character. Learning calligraphy can make people smarter and prevent them from becoming stupid. Learning calligraphy can make people "quiet" and cultivate people's excellent qualities such as concentration, carefulness, patience and perseverance, thereby improving people's overall quality, which cannot be replaced by other disciplines. As the saying goes, tranquility reaches far, tranquility can generate wisdom, and calligraphy can cultivate sentiment.