1. Water is the natural wealth of the earth. Water is the source of life. Wealth has the function of reproduction. Water is explaining this theory. So water has always been regarded as wealth. Just like the owner of the mountain, the owner of water and wealth.
2. Rainy days refer to when the rain is dry and when it falls, wealth falls from the sky. Rainy days are the season for collecting money all over the world.
3. Human feet belong to five elements of soil in human body, and soil is water, which can be said to be the function of soil to control water. To sum up, it is not difficult for us to understand that there is a saying among the people: stepping on the rain in rainy days means gathering wealth.
Zhouyi is an ancient book about the changes of everything in the world. This is a profound book about dialectical philosophy. There are three books in Yi language: Lianshan, Guizang and Zhouyi. Among them, the first two books have been lost, and there is only Zhouyi in the world.