Hexagram 11, Tài (Peace): Line 6 (top)
泰卦上六 · 地天泰 · 中文版
上六：城复于隍，勿用师。自邑告命，贞吝。
The line (Legge)
The sixth six, divided, shows us the city wall returned into the moat. It is not the time to use the army. (The subject of the line) may, indeed, announce his orders to the people of his own city; but however correct and firm he may be, he will have cause for regret.
Small Image commentary
'The city wall returned back into the moat' shows how the (governmental) orders have (long) been in disorder.
象曰：城复于隍，其命乱也。
In plain words
The city wall falls back into the moat; do not use the army. Issue orders only within one's own town; holding on brings regret. The moat is the dry ditch from which the wall's earth was dug: the wall collapsing into it pictures peace at its end turning into stagnation. The Small Image says the wall has fallen because orders have fallen into disorder.
Applying it to your situation
If you feel a good situation coming apart, this line suggests not rushing to restore it by force, and first putting your immediate surroundings in order. What is the nearest thing you can set right now?
Position
A broken (yin) line in the top place, which is a yin (even) place, so it is in its proper place. Its partner is line 3; one is yin and the other yang, so they respond to each other.
If this line moves
With this line moving alone, Tài changes into Hexagram 26 Dà Chù (Great Taming). The Jiaoshi Yilin verse for this change (Chinese): 焦氏易林·泰之大畜.
The hexagram
Hexagram 11 Tài (Peace). The Judgment: In Tai (we see) the little gone and the great come. (It indicates that) there will be good fortune, with progress and success.
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English text: James Legge, The Yi King (Sacred Books of the East, vol. 16, 1882), public domain, as transcribed by the Chinese Text Project. Chinese: the received text. Offered for study and reflection, not as prediction. Plain-English readings and position notes by this site.