对于初学书法的人来说,第一次接触到模糊、漫漶、斑驳、字迹不清的碑刻,是一件很棘手的事情。他们常常抱怨看不清行笔的轨迹,感到无所适从。但是,另一方面,很多书法家似乎又在享受这种模糊的碑帖带来的趣味和自在,并给予这样的碑刻以崇高的评价。康有为就曾赞美『《爨龙颜》若轩辕古圣,端冕垂裳; For beginners, the first exposure to fuzzy, diffuse, mottled, inscribed inscriptions, is a very tricky thing. They often complain that they can not see the path of writing and find themselves at a loss. However, on the other hand, many calligraphers seem to enjoy the fun and ease of this vague rubbings and give such inscriptions a high rating. Kang Youwei once praised “the dragon” if Xuanyuan ancient holy, end crown hanging clothes;