Reposted from others for reference by friends: stare without turning away, concentrate with all your heart, concentrate with all your heart, focus without turning your eyes, be meticulous and tireless, forget sleep and food, concentrate without letting go of your hands. Sentences: 1. When it is dark, you can observe the bright, and when you are quiet, you can observe the movement. ——Su Shi, a writer of the Northern Song Dynasty 2. There is nothing better than observing the formation...