---
title: 震為雷 — The Arousing Thunder (Hexagram 51)
lang: en
canonical: https://ekidan.ai/library/51
alternates:
  - ja: https://ekidan.ai/ja/library/51
  - zh-Hant: https://ekidan.ai/zh/library/51
  - zh-TW: https://ekidan.ai/zh/library/51
  - zh-HK: https://ekidan.ai/zh/library/51
source: 高島易断 (Takashima Ekidan), public-domain 1893 English and 1901 Chinese editions
provider: ekidan.ai — AI-assisted I Ching reading grounded in 88 source-verified historical Takashima cases
license: Classical source text is public domain. This structured edition and its modern commentary are © ICHING LLC, ekidan.ai. Attribution requested when quoted.
---

# 震為雷 · The Arousing Thunder — Hexagram 51

Hexagram 51 of the I Ching is 震為雷 (The Arousing Thunder). The Arousing Thunder — repeated thunder. Reverent caution brings fortune; laughter follows fear. Even amid shock, lose nothing sacred. Do not be shaken; keep your gravity.

## Work / Relationships / Health

- **Work**: Sudden news — keep composure.
- **Relationships**: Exciting but unsettled.
- **Health**: Shock, nerves, liver.

## Structure

- Number: 51
- Name: 震為雷
- English: The Arousing Thunder
- Romaji: shin-i-rai
- Pinyin: zhèn
- Upper: 雷 (Thunder)
- Lower: 雷 (Thunder)
- Lines (top to bottom):

```text
▬▬▬   ▬▬▬
▬▬▬   ▬▬▬
▬▬▬▬▬▬▬
▬▬▬   ▬▬▬
▬▬▬   ▬▬▬
▬▬▬▬▬▬▬
```

## Questions about this hexagram

### What does hexagram 51 (震為雷) mean?

The Arousing Thunder — repeated thunder. Reverent caution brings fortune; laughter follows fear. Even amid shock, lose nothing sacred.

### What does 震為雷 counsel?

Do not be shaken; keep your gravity.

### What does 震為雷 say about work?

Sudden news — keep composure.

### What does 震為雷 say about relationships?

Exciting but unsettled.

### What does 震為雷 say about health?

Shock, nerves, liver.

### Which trigrams make up hexagram 51?

Upper trigram 雷 (Thunder) over lower trigram 雷 (Thunder).


Source: [Takashima Ekidan AI — ekidan.ai](https://ekidan.ai/library/51)