Frequently asked questions about thinking, epistemology, and cognitive tools. 9738 answers
If processing an item takes less than two minutes, do it immediately — deferring it costs more than completing it.
Process your current inbox — email, notes app, physical papers, whatever contains unprocessed items. For each item, ask one question: 'Can I complete this in under two minutes?' If yes, do it immediately and move to the next item. If no, defer it (add it to your task list, calendar, or reference.
Using the two-minute rule as a license for reactivity — doing every small thing that crosses your path all day long, instead of applying the rule during dedicated processing sessions. David Allen was explicit: the rule applies when you are processing your inbox, not when you are doing focused.
If processing an item takes less than two minutes, do it immediately — deferring it costs more than completing it.
New captures go to a hot inbox — only processed items move to permanent storage. The separation protects both speed of capture and integrity of storage.
Audit your current system. Open whatever tool you use for notes, tasks, or ideas. Can you identify a clear boundary between unprocessed captures and permanent storage? If everything lives in one undifferentiated space, create a separation right now: make an 'Inbox' note, folder, or tag. For the.
Mixing hot and cold in one container. Your permanent notes become polluted with half-formed fragments. Your inbox accumulates hundreds of items that were supposed to be temporary but became permanent by neglect. You stop trusting your system because you cannot tell what has been processed and what.
New captures go to a hot inbox — only processed items move to permanent storage. The separation protects both speed of capture and integrity of storage.
You overestimate the likelihood of events you can easily recall examples of. The availability heuristic substitutes the question "how frequent is this?" with the question "how easily can I think of an example?" — and the substitution happens below conscious awareness, which means you feel like you.
The most valuable thing to capture is why you chose what you chose. Decisions decay faster than facts — and unlike facts, they cannot be reconstructed after the outcome is known.
You need rules for choosing which schema to apply in a given situation.
An unnamed pattern is invisible — naming it makes it manipulable.
Regularly audit what you consume and cut sources that produce more noise than signal. Without scheduled review, your information environment silently degrades — and you adapt to the noise without noticing.
Sometimes you need the new schema to handle cases the old schema covered.
Identify one belief you've recently updated. Write down three situations where your old belief gave you a correct prediction. Now test: does your new belief also give correct predictions for those same situations? If not, your new schema isn't backwards compatible — it's just different, not.
Adopting a new mental model that explains the anomaly that triggered the change but quietly drops coverage of situations the old model handled well. You feel enlightened because you solved the puzzle that was bothering you, but you've introduced silent regressions — areas of life where your.
Sometimes you need the new schema to handle cases the old schema covered.
The faster you get feedback on an action the faster you can adjust.
Asking why five times in succession usually reaches the root cause of a problem.
Choose one recurring problem you have encountered at least three times in the past month — a meeting that always derails, a task you consistently procrastinate on, a tool that keeps breaking. Write the problem as a single factual sentence. Then ask 'Why does this happen?' and write the answer. Ask.
Stopping at the first answer that feels emotionally satisfying rather than continuing to the structural cause. The Five Whys fails most often not because people ask too few questions, but because the third or fourth answer lands on something that confirms an existing belief — 'the vendor is.
Asking why five times in succession usually reaches the root cause of a problem.
Too many agents create coordination overhead that can exceed their collective value.
Every pattern has a trigger — identifying the trigger is the key to changing the pattern.