Wang Xizhi: Evenly distribute the stipples, compare the distance and the near, spread and refine, and harmonize the brush and ink; the sharp edges come and go, and the dense and dense are connected.

Liu Gongquan: "Use your pen with your heart in mind, and if your heart is upright, your pen will be correct."

Wei Shuo: "Every time you draw a stroke of ink or draw a curved wave, you must do your best to deliver it.

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