First, the cursive heart sutra
Zhang Xu's cursive heart sutra was first seen in excellent inscriptions, and Zhang Xu was written under Cao Jingxin's inscription in Tang Dynasty. Prior to this, there was a cursive script "Heart Sutra" in the forest of steles, which was moved from Baita Temple by Sun Ren, the magistrate, and a textual research on the preservation and abolition of the steles in Guanzhong. Zhang Xu's cursive script Heart Sutra was first published in the tablet table of the forest of steles in the third year of the Republic of China (19 14), and its whereabouts are unknown since then.
Second, "Four Ancient Poetry"
Zhang Xu's cursive "Four Ancient Poems" has a horizontal length of 195.2 cm and a vertical height of 29.5 cm. The five-color cursive paper is collectively called "Four Ancient Poems". The first two songs were written by Liang's Oracle Inscriptions, and the last two songs were written by Xie Lingyun's For the Prince and The Four or Five Years under the Rock, which were inscribed by Dong Qichang and others.
Zhang Xu's Calligraphy Thought
In the aspect of calligraphy thought, Zhang Xu advocated learning from nature and emphasized seeking inspiration from nature and human social life. In Zhang Xu's eyes, all natural images and all traces of life are the objects of learning from nature, which can inspire his creative inspiration.
With the eyes of a real artist, Zhang Xu searched for symbols corresponding to his emotions and personality in nature and life, integrated the situation of all things in the world with his subjective modality, painted wantonly, and used techniques as the means of spiritual expression, thus turning everything in technology into Tao and everything into his own artistic language, and finally formed the expression form and style of Wild Grass flying wildly.