3. Simply read Nan's Book of Changes Miscellaneous Notes: Eight Diagrams.

Dry divination: representing the sky, the sky must be above the head.

? Kun Gua: On behalf of the earth, the earth will always step on your feet.

? 、? Represents time, space and the universe.

? Deviation from divination: representing the sun and fire.

? Kangua: It represents the moon and water.

? Divination: It means thunder. When electricity vibrates, it thunders. When thunder vibrates, it becomes airflow, which is wind.

? Gua: It stands for wind, that is, airflow. The airflow vibrates too much, generates electricity when it is rubbed, and then turns back, which is "thunder and wind are sparse". These are two hexagrams of Lei Feng.

? Root melon: it represents mountains and land.

? Dugua: It stands for ocean and river. ?

There are eight things in the universe, and the phenomenon of eight things is gossip. The fortune teller hung up the phone.