Hexagram 52, Gèn (Keeping Still): Line 5
艮卦六五 · 艮为山 · 中文版
六五：艮其辅，言有序，悔亡。
The line (Legge)
S. The fifth SIX, divided, shows its subject keeping his jawbones at rest, so that his words are (all) orderly. Occasion for repentance will disappear.
Small Image commentary
'He keeps his cheek bones at rest:' - in harmony with his central position he acts correctly.
象曰：艮其辅，以中正也。
In plain words
Keeping the jaws still: speech is orderly, and regret vanishes. The jaws stand for speech. The fifth line is central, and its words have measure. The Small Image says this is because it is central and correct.
Applying it to your situation
If you often speak too fast or too much, this line suggests pausing before you speak. Which words could you leave unsaid for now?
Position
A broken (yin) line in the fifth place, which is a yang (odd) place, so it is not in its proper place. It holds the centre of the upper trigram. Its partner is line 2; both are yin, so they do not respond.
If this line moves
With this line moving alone, Gèn changes into Hexagram 53 Jiàn (Gradual Progress). The Jiaoshi Yilin verse for this change (Chinese): 焦氏易林·艮之渐.
The hexagram
Hexagram 52 Gèn (Keeping Still). The Judgment: When one's resting is like that of the back, and he loses all consciousness of self; when he walks in his courtyard, and does not see any (of the persons) in it,--there will be no error.
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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.