頤
Yí · Nourishment
You become what you take in, and what comes out of your mouth.
The judgment
頤：貞吉。觀頤，自求口實。
Nourishment. Stay true and it is lucky. Watch what feeds you, and what you fill your own mouth with.
Received text; plain English after the Chinese. Source: 周易經傳 (public-domain). Passage: hex27.judgment.
The image
象曰：山下有雷，頤。君子以慎言語，節飲食。
Thunder under the mountain: nourishment. A capable person is careful with words and moderate with food and drink.
Received text; plain English after the Chinese. Source: 周易經傳 (public-domain). Passage: hex27.image.
You become what you take in, and what comes out of your mouth.
The six lines
Each line is a stage, from the bottom of the hexagram to the top. Open any line to read it in plain English.
初九 舍爾靈龜，觀我朵頤，凶。 You throw away your own sacred turtle and stare at my full cheeks. Misfortune: envying someone else's portion costs you your own.
You throw away your own sacred turtle and stare at my full cheeks. Misfortune: envying someone else's portion costs you your own.
六二 顛頤，拂經，與丘頤，征凶。 Upside-down nourishment, against the norm, asking a hill for food. Going forward brings misfortune: do not beg upward.
Upside-down nourishment, against the norm, asking a hill for food. Going forward brings misfortune: do not beg upward.
六三 拂頤，貞凶，十年勿用，無攸利。 A way of feeding that goes against nature. Even if you are steady, it is bad; for ten years it is useless.
A way of feeding that goes against nature. Even if you are steady, it is bad; for ten years it is useless.
六四 顛頤吉，虎視眈眈，其欲逐逐，無咎。 Upside-down nourishment, and it is lucky. Eyes fixed like a tiger's, desire relentless: no blame, because the wanting is aimed at the right thing.
Upside-down nourishment, and it is lucky. Eyes fixed like a tiger's, desire relentless: no blame, because the wanting is aimed at the right thing.
六五 拂經，居貞吉，不可涉大川。 Against the norm, but staying put is lucky. Do not cross the great water: accept the smaller scope.
Against the norm, but staying put is lucky. Do not cross the great water: accept the smaller scope.
上九 由頤，厲吉，利涉大川。 The source of nourishment is with you. Dangerous but lucky; it is fit to cross the great water.
The source of nourishment is with you. Dangerous but lucky; it is fit to cross the great water.