Coming from ancient Chinese classics, the idiom “a frog in a well” paints a vivid metaphor. Confined inside a well, the frog mistakes the small circle of sky for the whole universe. It describes people trapped by their limited experience, unaware of the wider world, and serves as a reminder to avoid narrow‑minded complacency.
This article covers Emperor Guangwu’s final campaigns to reunify China. He defeated warlords Wei Xiao of Longyou and Gongsun Shu of Shu, aided by defectors like Ma Yuan and allies such as Dou Rong. After conquering Long and Shu, Guangwu ended years of division and restored the Eastern Han dynasty.