Have answers [Xi]
[Interpretation] The original meaning of painting bamboo is to have an image of bamboo in your heart. After metaphor has made up his mind before doing things.
[Source] Stone "Painting Bamboo in Valley Chinese": "So painting bamboo; You must first have a plan in your mind; Familiarity with pens; Is to see what he wants to draw; Hurry and follow; Vibration is straight; To pursue what they see; Like a rabbit falling; It is fleeting. "