A Cup of Water on a Cart of Firewood
Updated 2026-08-22
INTRODUCTION
English translation pending.
CORE DEFINITION
The idiom describes trying to extinguish a cartload of burning firewood with a single cup of water, and then blaming the water for not working. The core proposition is that when the magnitude of a response is far below the magnitude of the problem, debating whether the approach is correct is pointless: no approach works below its threshold of effect. The key qualification is that the failure is about scale rather than direction, so the remedy is to raise the investment above the critical threshold, not to abandon the method.
SCAFFOLDING EFFECT
Reduce cognitive load
- Magnitude estimate: size the problem in concrete units before evaluating any proposed response. - Threshold check: ask whether the planned effort can plausibly reach the level where it has effect. - Escalation decision: if it cannot, raise the commitment rather than debating the method.
Anchor fast decisions
Most interventions have a threshold below which nothing measurable changes, because the problem's own dynamics absorb the input. Below that threshold, outcome differences reflect noise rather than the method's merit, so trials produce misleading conclusions about efficacy. Only above the threshold does the response start to dominate the forces driving the problem.
MINIMUM ACTION
In progress 0/1Practice this model in one real situation:
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Source support: Explicit
- zh.wikipedia.orghttps://zh.wikipedia.org/wiki/%E5%AD%9F%E5%AD%90verified
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