Paintings of monks reading sutras by moonlight reflect the Chan, or Zen, emphasis on remaining forever mindful, even during daily activities, in order to achieve enlightenment. Here, an elderly cleric with scraggly hair and a sparse beard sits in a remote landscape, reading a sutra. He holds the text in his left hand and twirls one of his long eyebrows with his right. The delicate rendering of the face is complemented by the thick, dark brushstrokes in his clothing. The poem, composed and written by the monk Yuxi Simin (active 14th century), reads: Just this one fascicle of sutra, The words are often difficult to make out. When the sun comes up, the moon also sets, When will I finish reading it?