“字势”一词的出现,最早要追溯到西晋卫恒的《四体书势》中的《字势》一文,文中主要描述了古文的自然形态之美。其次出现在传为王羲之的《笔势论》文中。王氏开篇云:告汝子敬:吾观汝书性过人,仍未闲规矩。父不亲教,自古有之。今述《笔势论》十篇,开汝之性。凡诸字势,总立十章,章有指归,定其模楷,审其舛谬,撮其要实,录其便宜。①从字面意思理解,此是王羲之传授王献之习书 The emergence of the word “potential” first traces back to the “potential” in WEI Heng ’s “four genres” in the Western Jin Dynasty. The article mainly describes the beauty of the natural form of ancient Chinese. Followed by Wang Xi Zhi in the biography of “gestures” in the text. Wang opening cloud: tell Ru Zijing: I view the book extraordinary, still not free rules. Father is not religious, since ancient times there. The present “gesturalism” ten articles, open the nature of Ru. Where all the potential, the total chapter ten chapters, the chapter has the reference, set its mode Kai, review its absurd, summed up its truth, recording its cheap. ① understood from the literal meaning, this is Wang Xizhi Wang Xian’s book