Mr. Zhang Guoqiang, a powerful calligrapher, wrote a four-foot calligraphy couplet called Modesty for Bamboo, Qingming for Autumn. Interpretation: Modesty is bamboo, and Qingming is autumn. Sitting alone for a long time is light and tired, and the pine burns a fire to warm the robe. Teenagers can't breathe in the middle of the night, the roaring mountains are high and the moon is high, and Zizhi Su Jiangshan qixia temple's poems. Zhang Guoqiang's Winter Chill. Seal: Zhang; National symbol. Although this work is about numbers, it uses different words, some are square, some are round, and the corners are not exposed. If it is light, it is actually thick, the ink is bright, and the mind is idle. Talking about numbers is unforgettable. The structure is absolutely rigorous, elegant and vigorous, seamless, stable and solid, with a smooth pen, smooth verve, rough and decisive lines, natural and fluent pen, vigorous and vigorous Gu Zhuo, dignified and natural, vigorous and unrestrained, with sharp edges burning and extremely rich atmosphere. It is a work of great investment and collection value, suitable for hanging in study, office, tea room, club and other places.