Cognitive Handholds
Abstract ideas are slippery. The mind needs something to grip — a concrete example, a vivid analogy, a scenario to simulate. Without handholds, readers nod along without understanding. With them, ideas become tools.
A handhold is anything that lets the reader see or do rather than just hear.
Handholds come in several forms:
Examples. Specific instances that demonstrate the general principle. One deep example that forces the reader to update is worth ten that confirm.
Analogies. Mappings from familiar domains to unfamiliar ones. Einstein’s elevators. The selfish gene as a lens on evolution.
Thought experiments. Scenarios the reader can mentally simulate. “Imagine you’re in a falling elevator…” These work because cognition is grounded in spatial and physical intuition.
Micro-experiments. Short exercises where the reader experiences the phenomenon. Kahneman’s genius is making you feel the cognitive bias in fifteen seconds, then naming what just happened. You’re not told about anchoring. You’re anchored.
Dawkins’ best metaphors have teeth. “The selfish gene” constrains reasoning, not just decorates it. If you really hold the metaphor, certain conclusions follow and certain mistakes become harder.
That’s the difference between metaphor as perfume (it smells nice) and metaphor as constraint (it changes what you can think).
The test of a good analogy: does it specify where it applies and where it breaks? If the analogy maps perfectly, it’s not an analogy. It’s the same thing.
Handholds work because cognition is embodied.
We evolved reasoning about physical objects, social relationships, spatial navigation. Abstract thought drafts on these older systems. That’s why good explanations are full of metaphors about movement, structure, force, vision.
“I see what you mean.” “That argument doesn’t hold up.” “Let me walk you through it.” Language reveals architecture.
Writers who understand this provide simulations explicitly. Writers who don’t leave readers grasping at fog.
The failure mode is handholds without structure.
Examples can accumulate without teaching anything. The reader is entertained but not educated. The handhold must connect to a governing model. The example should reveal the principle, not just sit next to it.
Harari shows both the power and the risk. Sweeping narratives filled with vivid cases, but sometimes the narrative runs ahead of the evidence. The handholds feel solid, but they’re gripping air.
The teaching move is to sequence handholds into understanding:
- Start with a single, vivid case that creates the problem.
- Introduce the principle that explains the case.
- Add a second case that extends the principle into new territory.
- Show an apparent counterexample, then resolve it.
By the end, the reader doesn’t just have the principle. They have multiple instances they can recall, a sense of where it applies, and a feel for its edges.
Related: explanatory writing, compression, metaphors we live by, embodied cognition, chunking, models