The I Ching ends with Before Completion. That choice is one of the most deliberate structural decisions in the text: after sixty-three hexagrams of situations, the final word is not resolution but a situation still in progress.

The structure: Fire over Water

Water below, fire above. Heat rising away from water — the two do not cook. It is the exact inverse of Hexagram 63, and every line sits where it does not belong.

The Judgment

Before Completion. Success. But if the little fox, after nearly completing the crossing, gets his tail in the water, there is nothing that would further.
Judgment

Note that success comes first. This is not a hexagram of failure but of work not yet finished — and the specific hazard is carelessness near the end.

The Image

Fire over water: the image of the condition before transition. Thus the superior man is careful in the differentiation of things, so that each finds its place.
Image

Where Hexagram 63 calls for prevention, Hexagram 64 calls for discrimination — sorting things out so that each can be put where it belongs. The two are the same task seen from either side of completion.

The lines

  • Line 1 — He gets his tail in the water. Humiliation.
  • Line 2 — He brakes his wheels. Perseverance brings good fortune.
  • Line 3 — Before completion, attack brings misfortune. It furthers one to cross the great water.
  • Line 4 — Perseverance brings good fortune. Remorse disappears.
  • Line 5 — Perseverance brings good fortune. No remorse.
  • Line 6 — There is drinking of wine in genuine confidence. No blame.

The arc runs from early mishap through effort to a closing image of trust. Ending the book here is the point: the work continues.

Why ending here matters

If the text had ended with Hexagram 63, it would have claimed that completion is a state you can arrive at and keep. Placing Before Completion last says the opposite — that the finished arrangement immediately begins to come apart, and the response is not despair but continued attention.

Why the book ends here

Sixty-four is conventionally the last hexagram, and that placement is deliberate. Ending on After Completion would suggest the cycle closes; ending on Before Completion leaves it open. The sequence is designed so that finishing it returns you to hexagram 1.

Read practically, this makes Before Completion the more common of the two states. Most of any undertaking sits here, and the instruction — weigh carefully, choose the right companion — is ordinary rather than dramatic.