| This article refers to elements from Original Dune Pages for this subject as it appears in other canons:
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Amtal rule is a tenet on primitive worlds under which something is tested to determine its limits or defects. Commonly: testing to destruction.
The rule is summarized as:
- "To know a thing well, know its limits. Only when pushed beyond its tolerances will true nature be seen."
- ―The Amtal Rule[src]
Behind the scenes[]
In Denis Villeneuve's 2021 Dune film, Jamis cites the amtal rule when challenging Stilgar over him inviting Jessica and Paul Atreides to Sietch Tabr. Stilgar subsequently explains that there is no yielding in a duel fought under the amtal rule.
