Hexagram 21 / 64
Clenched teeth
Traditionally Biting Through. Something has to be confronted and resolved directly, the way biting through a tough piece of food is the only way to actually get past it rather than around it indefinitely. This is one of the more action-oriented hexagrams in the sequence — about removing an obstacle standing in the way of progress, rather than continuing to work around it as though it weren't really there.
It appears around situations that genuinely need decisive resolution: a dispute, a disciplinary decision, an obstacle that needs firm handling rather than more patience or further observation of a problem that's already well understood. The counsel favors clarity and proportionate firmness — using appropriate force or judgment to remove a genuine obstruction, while cautioning against harshness beyond what the actual problem calls for, since overcorrection here creates its own new obstacle to deal with later.
Say a team member's repeated underperformance has been quietly tolerated for too long, in the hope it would resolve on its own without anyone having to say anything uncomfortable out loud. This hexagram is a clear signal that the time for patience has passed, and a direct conversation is what's actually needed now. The discomfort of that conversation is treated here as necessary, not as evidence you're handling things badly or being unkind by finally addressing it.
Clenched Teeth follows Contemplation directly — careful observation first, then decisive action once the situation is genuinely understood rather than merely tolerated out of avoidance. Its line texts describe obstacles of varying toughness, some resolved easily like biting through dried meat, others requiring sustained effort and even producing setbacks along the way, like biting into something with a hidden piece of metal in it. Favor for decisive action here doesn't promise every obstruction yields on the first attempt you make at it.