Who wrote the story of Pang Juan and Sun Bin?

Pang Juan and Sun Bin are two disciples of Guiguzi. When he was a student, Guiguzi used two flowers to calculate the life experiences of Pang Juan and Sun Bin, as well as the stories of Pang Juan and Sun Bin. As we all know, it is basically consistent with the prediction of Guiguzi.

Prophecy-foresight

Pinyin: b ? xi ā n zh: and

Interpretation: Divination, divination, the ancients used the tortoise shell to burn and see the cracks that were burned to speculate on the good or bad luck in the future. You can know in advance without divination. Describe foresight.