繁中
Hexagram 21
䷔
Biting Through · 噬嗑
☲離 above / ☳震 below
Ancient Core
【Judgment】
Shì Kè: Success. It is favorable to administer justice.
【Image】Thunder and lightning: the image of Shi He. The ancient kings, following it, made penalties clear and laws firm.
Overview
【Brief Meaning】

Biting Through. Removing obstacles through decisive justice. Restoring order by confronting truth and eliminating what hinders growth.

DecisivenessEnforcementClearing obstaclesFairness
Modern Analogy
【Modern Insight】
Like a negotiation stuck for months: each side waits for the other to give ground, until someone finally lays the problem on the table and things begin to move.
Practical Application
【Practical Case】
The current issue must be confronted head-on; avoidance is impossible. Clarify the facts, find the root cause, and then act decisively. This is a good time for legal disputes, contract disagreements, or disciplinary matters. As long as you are in the right and follow proper procedure, the outcome will be positive. Do not fear offending anyone.
✍ Author's Commentary
Below is my personal interpretation and observation of this hexagram.
Shi He represents obstacles. Like something stuck in your mouth that cannot be swallowed until you bite through it. This hexagram carries great force, emphasizing rule of law and justice. This is the necessary process of rebuilding order out of chaos. Only by clearing the obstruction can the light shine through once more.
【Mirror of History】Hammurabi · Case Study & Reflection

Historical Tale

King Hammurabi of Babylon codified 282 legal precedents onto a public stone stele, establishing clear law and penalties to protect the weak and maintain order across his realm.

Philosophical Reflection

When obstacles or injustices block progress, decisive action and clear boundaries are required to enforce order.

【Changing Lines】Line Texts & Philosophical Interpretation
Nine at the Beginning
Feet locked in stocks that hide the toes: no fault.
[Nipping Errors early] Correct mistakes when they first sprout. Using small constraints early prevents major deviations later, guarding soul purity.
Feet in stocks covering the toes—no blame. This line speaks of light early correction: receiving appropriate restraint right when a mistake begins is protection, not harsh punishment. Small pain prevents big pain. Have you been stopped early in a mistake and later realized how fortunate that was?
Six in the Second
Biting into tender meat so deeply the nose disappears: no fault.
[Decisive Execution] Take bold action against obvious obstacles. Clear impurities with upright execution, restoring original clarity and order.
Biting deep into meat until the nose is submerged—no blame. This speaks of deep bite-through: when problems run deep, biting must go deep. Real resolution requires touching the problem far more deeply than expected.
Six in the Third
Biting into dried meat and meeting something poisonous: slight regret, but no fault.
[Clearing Old Accounts] Tackling long-accumulated old problems brings discomfort and friction, yet remains a necessary detox toward new life.
Chewing tough dried meat and hitting poison brings slight regret, but no great blame. This addresses unexpected friction during enforcement—uncovering unexpected resistance while solving problems. Trying to solve issues is right in itself, even if the process isn't perfect.
Nine in the Fourth
Biting into dried meat on the bone and finding a bronze arrowhead. It is favorable to hold steady through hardship: good fortune.
[Persevering to Find Truth] Uncover truth in the toughest environment. Through iron will, push past heavy barriers to see truth's light.
Chewing hard bony meat and discovering a metal arrow—persevering in difficulty brings good fortune. This line speaks of tough enforcement: hard problems need great strength to bite open, but opening them reveals the most precious reward. Finishing hard tasks proves your real strength.
Six in the Fifth
Biting into dried meat and finding yellow gold. Holding steady is dangerous, but there is no fault.
[Impartial Justice] Judge with pure impartiality, balancing rules and compassion to earn deep trust and dignity.
Chewing dried meat and finding yellow gold—holding right in danger brings no blame. This line covers the difficulty of judging from high status: rewards exist alongside risks. Holding right amid risk is true judgment wisdom.
Nine at the Top
Wearing a cangue that hides the ears: misfortune.
[Stubbornness Brings Disaster] Arrogantly refusing to hear truth leads to self-enclosed traps. Revere natural rules to regain freedom.
A cangue around the neck covering the ears—misfortune. This is Biting Through's harshest line. If light correction at the first line was accepted, it wouldn't reach this point. Ignoring problems early causes costs to compound until unbearable.

In-Depth Guidance for Hexagram 21 – Biting Through

◈ The following interpretations draw on I Ching cultural wisdom and classical philosophy — for cultural study and personal reflection only, not medical, legal, or financial advice ◈
💑 Love & Relationships
Shi He pictures a mouth clamped on something hard, and in love it is the knot lodged between two people that neither has managed to bite through. Address the elephant in the room that both know exists but fear mentioning.

Relationships sometimes need clear decisions—whether to commit or part; Biting Through opposes vague limbo. Speak issues directly rather than using hints or cold wars. Resolving issues brings short-term discomfort, but is far healthier than long-term doubt.

💼 Career & Leadership
Shi He shows something caught between the upper and lower teeth, and at work it marks the critical moment to restore order and clear a bottleneck. Cut away obstacles delaying your projects without hesitation. Identify key issues stalling your team or plans and address them directly.

Don't delay key decisions out of fear of offending others or causing trouble. Biting Through carries the energy of thunder and lightning—clean, decisive problem solving. The biggest loss in organizations isn't the problem itself, but procrastination.

💰 Money & Risk
Shi He is about biting through obstacles, and in money terms it means the problems left to drag on: the card debt you keep meaning to repay, a tangled loan, a subscription you know isn't worth it but haven't cancelled.

The fifth line, biting into dried meat and finding yellow gold, says the meat is tough, but biting through brings a reward. Instead of walking around the problem, set a deadline and deal with it in one go.

🏠 Family & Home Life
Biting through, at home, means facing long-standing household issues directly rather than pretending they are not there. Relationships sometimes need a decisive conversation instead of ongoing buildup.

Find the core issue, speak it openly, and face it together. Biting Through reminds us: unspoken issues cost far more than spoken ones. Open dialogue may trigger brief conflict, but creates clarity to resolve problems; avoidance only roots them deeper.

🌿 Rhythm & Rest
Shi He's image is the mouth, so it relates directly to eating. Notice how you eat: always in a hurry, working through meals, eating too fast or too much? Slowing down and chewing a meal properly is the simplest form of care.

The same goes for things stuck on your mind: saying them and dealing with them is better than holding them in.

✨ The Overall Situation
Right now you don't need more hesitation, but a clear decision. It is time for the decision you've delayed. Biting Through energy supports direct, clear, decisive action. Decide, cut obstacles, and move forward.

Once barriers are cleared, you'll see the road ahead was always there, merely blocked from view.

Related hexagrams

This is hexagram 21 of 64, number 21 of the 30 hexagrams in the Upper Canon. See The Upper and Lower Canon for why the sequence is split this way.

Keep reading
Overall Life Guidance

Be upright, just, and resolute. Clear away every obstacle and restore order. When you bite through the darkness, light reveals itself.