1, the expression of spirit is inseparable from statutes: the spirit in calligraphy is expressed through white cloth, structure, pen, etc. These expressions all follow certain conventions. In other words, the expression of spirit needs the help of testimonies, otherwise it will not reflect the beauty of calligraphy.
2. Laws and regulations are the basis of expression. Calligraphers need to master certain statutes in the process of creation in order to make their works have certain expressive force. Statutes are the foundation of spirit, and only by following them can the spirit be manifested.