清人邹一桂以工画花卉擅名,著有《小山画谱》,其中有“四知”之说,道出画者须“知天、知地、知人、知物”。偶读之,略记所感。知天,即明了万物萌生须顺应四时,季节轮替则百花争艳,草木葳蕤。依节令花卉点缀禽鸟蜂蝶,笔下自见生机勃然。地分南北,气候不同,所以物以地殊,品类各异,此为知地。明白这些自然规律,可自由落墨而不违自然之 Qing Zou Yi-ki to work painting flowers talented, with a “hill painting”, which has “Four Knows ”, said the artist should be “know the sky, know the land, know people, know things ”. Even reading, a little remember. To know the sky, that is clear all things must adapt to four, the turn of the season flowers are blooming, vegetation 葳 蕤. Embellished by the seasonal floral bird bees, butterflies from the vitality. North and south points, different climates, so things in particular, different categories, this is knowledge. Understand these laws of nature, free to drop ink without violating nature