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Your brain is a flawed lens — but unlike a mouse's, it can see its own flaws and correct for them.

Rationality is two things: forming accurate beliefs and making decisions that help you win — both grounded in math, not personality.

Most ways of pursuing a goal are ineffective — and no evolutionary or cultural force automatically points us toward the few that work.

Five minutes of genuine effort — not just trying — separates heroes from quitters, and most people never even try.

Your rationalist strength is being more confused by fiction than by reality — if you can explain anything equally well, you know nothing.

Duty-driven investigation is counterfeit curiosity — genuine inquiry means being as ready to drop a belief as to keep it.

A single fearless "Oops" beats a thousand grudging millimeter-concessions — big mistakes demand big acknowledgments.

Rationality is a martial art for the mind — learnable, trainable, and newly within reach thanks to modern science.

Rationality is not a creed to profess but twelve lived virtues — ending in a nameless one that underlies them all.

Writing the conclusion first poisons every argument that follows — your reasoning is only as honest as the algorithm that chose what to conclude.

Rationalization is not rationality run backwards — it is rationality's algorithmic opposite, a cognitive black hole that fixes conclusions and selects evidence to match.

Reality is already here — owning it doesn't make it worse, and hiding from it doesn't make it go away.

The reason you give for rejecting an idea is rarely the actual cause — find the true rejection, or you will never resolve the real disagreement.

We instinctively attack only the strong points of our beliefs — the parts we already know how to defend.

Tribal identity -- not genuine anticipation -- is what drives the passionate defence of many deeply held beliefs.

Most of your thinking is just pattern-completion on stored conclusions — and that cached answer may not be yours.

Acknowledging that nothing is pure black or white does not license treating all shades of gray as identical.

Joining a rebellion takes courage, but being the first to rebel — when no one else understands why — takes a wholly different, rarer kind.

We instinctively test what we think is true — but the real test is hunting for what would prove us wrong.

Learning about cognitive biases can backfire — giving clever minds more ammunition for motivated skepticism instead of honest updating.

Political arguments hijack our tribal instincts and turn even scientists into slogan-chanting soldiers.

A belief that predicts nothing about your experiences is not a belief — it is a label floating free of reality.

Evidence is a physical event causally entangled with reality — and a belief that cannot be moved by evidence is not a belief at all.

Not all rational evidence qualifies as legal or scientific evidence — and understanding why reveals how social epistemic standards work.

Belief is not free — the more improbable the hypothesis, the more evidence you need to earn it.

Not seeing evidence of X is itself evidence against X — probability theory demands it.

You can't rig probability in your favor — for every expected piece of confirming evidence, there must be an equal and opposite expectation of disconfirming evidence.

When you have the full argument, expert authority adds almost nothing — probability theory explains why.

Probability isn't replaced by evidence — it's updated by it, and Bayes's Theorem is the exact rule for how.

Entropy isn't just physics -- forming accurate beliefs literally requires thermodynamic work, making rationality a physical process.

Some truths are laws, not tools — and confusing the two is the deepest source of talking past each other in rationality debates.

A good argument is locally valid at every step — just like a just law must apply equally to every side.

Science says "go test it" — but rationality must act before the test is possible.

Science eventually gets there — but a Bayesian reasoner at the frontier can get there first.

Science distrusts individual rationality and builds social systems that harness human stubbornness instead.

There is no set of rules you can follow that guarantees your reasoning is defensible — not even Science.

When words obscure more than they reveal, ban the word and describe what you actually mean.

The goal isn't to answer a confusing question — it's to trace the cognitive algorithm that generates the confusion in the first place.

"Disease" is a cluster concept, not a bright line — stop debating what counts as disease and address sympathy, blame, and treatment directly.

The closer your evidence is to the actual question, the more it is worth — so hug the query as tightly as you can.

Saying "complexity" doesn't concentrate your probability mass — it just skips over the mystery you need to confront.

We mistake our mind's properties for properties of the world — projecting inner representations outward as if they were objective facts.

The leftover question after all facts are known is not a real question — it is the ghost of a neural categorization unit that has no factual referent.

We evolved to assume everyone shares our background knowledge — that assumption silently derails almost all expert communication.

You always know what you meant — but your words are far more ambiguous than you think.

You will never master rationality until something more important than your life — and your pride — is at stake.

Evolution is blind and brutal — yet somehow it gave rise to love, friendship, and moral beauty: a coincidence that is no coincidence at all.

Your care-o-meter is broken — so stop trusting your feelings and start doing the math.

Admitting your flaws means nothing unless you also commit to fixing them — confession without correction is just performance.

Rationality deserves to be a real discipline — and the main reason it isn't yet is that we haven't demanded it.