Easy to be poor, it will change, change will lead to generalization, and generalization will last long.

From "The Book of Changes·Xici"

1. When a tree is moved, it dies, and when a person moves, it will die. live.

2 The law never changes, and destiny never changes. ——Wei Yuan's "Gu Wei Tang Wai Ji"

3. That moment is the same as this moment.

The "Mencius" by Meng Ke during the Warring States Period indicates that the situation will be different at different times.