原文:书重用笔①,用之存乎其人②,故善书者用笔,不善书者为笔所用③。注释:①用笔:犹言运笔,学书者必先知执笔法,然后学运笔法。《书谱》有“执使转用”之说,可知用笔对学书者甚为重要。②存乎其人:在人能知用笔、善用笔与否。如意在笔先,即视其人之用笔方法而定。③为笔所用:即不善用笔,如笔狼毫性硬,羊毫 The original book: the book re-use pen ①, the use of its own ②, so good book by pen, bad book for pen ③. Notes: ① pen: still made transport pen, learn the book prophet must write method, and then learn luck method. “Book” has “executive switch to ”, we can see that the pen is very important for school book. ② Existence of others: people can use the pen, make good use of pen or not. Ruyi in the pen, that is, depending on the way people use pen. ③ for the pen to use: that is not good pen, such as pen wolf hard, sheep