What is the highest realm of writing brush?

Primary (1-3) mainly examines learners' copying ability, is familiar with the use of brush, and keeps correct writing posture and writing method. By copying the calligraphy, we can learn the basic structure of Chinese characters and master the basic brushwork of Chinese characters, so as to achieve the requirements of accurate stippling and appropriate structural proportion. Examination method: Intermediate (Grade 4-6) mainly examines the learners' ability to transform from copying to creation. Through copying and preliminary creation training, they gradually meet the requirements of proficient writing, accurate stippling and complete and reasonable structural composition. Assessment method: Advanced level (grade 7-9) mainly assesses learners' creativity. Through the combination of creation and copying training, they can achieve skillful and natural brushwork, flexible stippling, complete and reasonable structural composition changes, and have individual performance on the basis of tradition. Assessment methods: presence, creativity and theoretical knowledge.