震
Zhèn · The Arousing
Fear is useful when it makes you examine, and useless when it only makes you run.
The judgment
震：亨。 震來虩虩，笑言啞啞。 震驚百里，不喪匕鬯。
Thunder succeeds. It comes with terror, then laughter and talk. It shocks a hundred li, but the sacrificial spoon and wine are not lost.
Received text; plain English after the Chinese. Source: 周易經傳 (public-domain). Passage: hex51.judgment.
The image
象曰：洊雷，震。君子以恐懼修省。
Thunder repeated: the arousing. A capable person uses fear to examine themselves.
Received text; plain English after the Chinese. Source: 周易經傳 (public-domain). Passage: hex51.image.
Fear is useful when it makes you examine, and useless when it only makes you run.
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 震來虩虩，後笑言啞啞，吉。 Thunder comes with terror, then laughter and talk: good fortune. The shock passes and the community is still intact.
Thunder comes with terror, then laughter and talk: good fortune. The shock passes and the community is still intact.
六二 震來厲，億喪貝，躋于九陵，勿逐，七日得。 Thunder comes with danger; you lose your goods and climb the high hill. Do not chase them; in seven days you get them back.
Thunder comes with danger; you lose your goods and climb the high hill. Do not chase them; in seven days you get them back.
六三 震蘇蘇，震行無眚。 Thunder leaves you dazed. If you move with the shock, there is no disaster: do not freeze.
Thunder leaves you dazed. If you move with the shock, there is no disaster: do not freeze.
九四 震遂泥。 Thunder sinks into the mud. The shock goes nowhere: this is the line of a fear that only muddles.
Thunder sinks into the mud. The shock goes nowhere: this is the line of a fear that only muddles.
六五 震往來厲，億無喪，有事。 Thunder coming and going is dangerous, but nothing is lost; there is work to do.
Thunder coming and going is dangerous, but nothing is lost; there is work to do.
上六 震索索，視矍矍，征凶。 震不於其躬，於其鄰，無咎。 婚媾有言。 Trembling, eyes darting: marching is bad. The shock falls on your neighbor, not on you; no blame, but the marriage will have words.
Trembling, eyes darting: marching is bad. The shock falls on your neighbor, not on you; no blame, but the marriage will have words.