Frequently asked questions about thinking, epistemology, and cognitive tools. 1675 answers
No process works perfectly every time — error correction must be built in from the start.
No process works perfectly every time — error correction must be built in from the start.
No process works perfectly every time — error correction must be built in from the start.
No process works perfectly every time — error correction must be built in from the start.
No process works perfectly every time — error correction must be built in from the start.
Pick one system you operate regularly — a workflow, a habit, a weekly process. Run it exactly as designed for three consecutive iterations (three days, three sessions, three cycles — whatever one iteration means for that system). After each iteration, write down every point where the system.
Interpreting 'all systems produce errors' as a justification for low standards. This lesson does not argue that errors are acceptable — it argues that errors are inevitable, which is a completely different claim. The person who hears 'errors are inevitable' and relaxes their standards has confused.
No process works perfectly every time — error correction must be built in from the start.
You cannot fix what you cannot detect — invest in error detection mechanisms.
You cannot fix what you cannot detect — invest in error detection mechanisms.
You cannot fix what you cannot detect — invest in error detection mechanisms.
Execution errors knowledge errors and judgment errors require different correction approaches.
Execution errors knowledge errors and judgment errors require different correction approaches.
Execution errors knowledge errors and judgment errors require different correction approaches.
Pick three errors you have made in the past month — professional or personal. For each one, classify it: Was it an execution error (you knew what to do but failed in the doing)? A knowledge error (you lacked critical information)? A judgment error (you had the information but assessed it.
Collapsing all errors into a single category — usually effort. When something goes wrong, the default human response is 'I should have tried harder' or 'I need to be more careful.' This treats every error as an execution problem and leaves knowledge gaps and judgment failures completely.
Execution errors knowledge errors and judgment errors require different correction approaches.
Design systems that surface errors early when they are easiest and cheapest to correct.
Design systems that surface errors early when they are easiest and cheapest to correct.
Design systems that surface errors early when they are easiest and cheapest to correct.
Design systems that surface errors early when they are easiest and cheapest to correct.
Design systems that surface errors early when they are easiest and cheapest to correct.
Identify one project or commitment you are currently in the middle of — something you have been working on for at least two weeks without external validation. Write down the three riskiest assumptions embedded in that project: the things that, if wrong, would invalidate the most work. For each.
Confusing 'fail fast' with 'be reckless.' The principle is not about moving quickly without thinking. It is about deliberately designing your sequence of actions so that the most consequential assumptions get tested first, when correction is cheapest. People who misunderstand this principle skip.