Snow-symbolizes the loyalty and noble character of the soul: 1, relatives and friends in Luoyang ask each other, and a piece of ice heart is in the jade pot. 2, lonely, liver and gallbladder are like ice and snow.
Book-rest: 1, odds appreciation, doubt analysis.
Note: if the book here refers to "faith", it refers to the feeling of missing, such as "When the geese return, the moon is full in the West Building" and "Let the sound book communicate with the geese, and Penglai is not far from the east"