"The trouble arises within the screen wall" comes from The Analects, Book of Ji Shi, where the original text reads: "I fear that Ji Sun's worry lies not in Zhuan Yu, but within the screen wall." The screen wall was a partition inside ancient palaces, used to separate the inner and outer quarters. When ministers went to have an audience with the ruler, they would compose themselves there, so it often served as a metaphor for the internal sphere. This idiom means that disaster does not come from outside but arises from within, and it is often used to describe calamities caused by internal conflicts, disputes, or betrayal in a family, group, or state. Its deeper meaning lies in emphasizing that internal causes are the root of misfortune, warning people to value internal unity and harmony. It is used in a wide range of contexts, including family feuds, corporate infighting, and political turmoil. In terms of cultural background, it reflects the Confucian idea that "harmony is precious" and opposes internal strife. Its emotional tone is generally derogatory, carrying a sense of warning, regret, or criticism.
📝 Example
1. The company was originally developing with strong momentum, but due to infighting among senior executives over power and profit, disaster ultimately struck from within, leading to its split. (Refers to internal conflicts causing disaster.)
2. The fall of many dynasties in history did not stem from foreign invasion, but rather from internal strife bringing disaster from within and destroying their own defenses. (Refers to internal turmoil triggering downfall.)