Do not flinch from experiences that might destroy your beliefs. The thought you cannot think controls you more than thoughts you speak aloud. Submit yourself to ordeals and test yourself in fire. Relinquish the emotion which rests upon a mistaken belief, and seek to feel fully that emotion which fits the facts.
Eliezer YudkowskyThere's something in science like the shine of the Patronus Charm, driving back all sorts of darkness and madness.
Eliezer YudkowskyBetween hindsight bias, fake causality, positive bias, anchoring/priming, et cetera et cetera, and above all the dreaded confirmation bias, once an idea gets into your head, it's probably going to stay there.
Eliezer YudkowskyIf you've been cryocrastinating, putting off signing up for cryonics "until later", don't think that you've "gotten away with it so far". Many worlds, remember? There are branched versions of you that are dying of cancer, and not signed up for cryonics, and it's too late for them to get life insurance.
Eliezer YudkowskyThis is one of theprimary mechanisms whereby, if a fool says the sun is shining, we do notcorrectly discard this as irrelevant nonevidence, but rather find ourselvesimpelled to say that it must be dark outside.
Eliezer Yudkowsky