八法转换,要笔笔分得清,笔笔合得浑。所以能清能浑者,全在能留得笔住。留笔总在能换处,见之转换者,用笔一反一正也,此结构用笔也,即古人回腕藏锋之秘,不肯明言。所谓手授口诀者,试问笔如何能留由,先一步是用腕力,腕力用得不坠之时,方才用留,笔笔既留矣,如何能转,曰,即此提笔之果,能提笔,然又要认得换笔,自然笔笔清,笔笔浑。其法贵在窗下用熟,及临书时, Eight law conversion, to pen and pen points were clear, brush pen was muddy. So can clear the muddy, all can stay pen. Always keep the pen can change place, see the changer, with the pen is also true, this structure with a pen, that is, the ancients back to the wrist hidden secret, refused to make it clear. The so-called hand-to-hand formulas, ask how the pen can be retained, the first step is to use the wrist force, the wrist force does not fall, just to stay, pen and pen both carry on, how to turn, said, Can mention pen, but also recognize the pen, natural brush pen, brush pen muddy. The law expensive in the window with cooked, and temporary book,