易經 · I Ching · #58
䷹
Dui · Open · The Joyous Lake
兌
The Joyous Lake — one of the sixty-four archetypal situations in the Book of Changes.
The Judgment
Sincere joy and exchange bring success. Shared learning and honest friendship are the source.
The Image
Two lakes together, so the wise person joins friends to discuss and practice.
How to use it
Learn and talk with people you trust. Let joy be sincere, not forced.
Structure
Six lines: 兌 Lake (Dui) above and 兌 Lake (Dui) below. Lines are read from the bottom up.
Related hexagrams
- ䷳ 52. Bound · Keeping Still Mountain — Opposite: every line reversed
- ䷸ 57. Ground · The Gentle Wind — Reversed: the same lines turned upside down
- ䷤ 37. Dwelling People · The Family — Inner (nuclear): the hidden structure formed by lines 2 to 5
Each BaZi pillar maps to a hexagram through its stem and branch. Coin casting uses a different method — both are valid paths into the Book of Changes. The I Ching is a traditional wisdom text. It describes the character of a moment, not a fixed outcome.