This is a page in exercise 1, the first volume of Chinese Grade Two, Jiangsu Education Press.
In other words, if you want to practice calligraphy, you must start to practice painting red, and if you want to practice shooting, you must start to learn to aim. If you want to practice painting red, you have to practice. If you want to practice aiming, you have to start with your eyes. Draw red, aim at one with your hand and aim at one with your eyes. This is mainly to distinguish the difference between painting red and aiming.