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My pen name derives from the website , a collaborative blog devoted to improving the art of human rationality.

If you want to know everything Harry James Potter-Evans-Verres knows and then some, read the . I suggest starting with the Sequence on How to Actually Change Your Mind.

By request: 

 (compiled and maintained by Bogdan Butnaru, cameo as Bogdan in Ch. 32, Auror Butnaru in Ch. 43) ( of early chapters from book version)

 and  texts for e-readers (should update daily at 8am Pacific; by ).

The is here, with weekly updates and quality production by many voice actors and actresses. See also , and a , Merlin save us all.

 and  (by Cart Reed) (fixed) To subscribe to the iPad/iPhone app,  with your iPad/iPhone.

Translations:

• The incredible  translation at  (Ch. 1-101) by Jack Dilindjer, Moira, Lavash, Loonyphoenix, Alaric, Xeye, StrangeCat, Sergcold, Alexqwesa, Polina, You_know_who, Anzy, Yuliy, baskakov_dima, kle, Chaika-che, Elspet, Asya, Dima, Kaplya smysla, Berik, Remlin, Constantine, Denker.
• (Ch. 1-26) by WangPo, Xingxing, FuShi, Yuring, Mr.Submarine, BobbyLiu, Fiammanda, NiShuo, Draught of the Living Death, SanDingBao, Kazuya, TianXie, QianQian, XueGaoMiao, Dr. ∅, Raven, Acturus
• by geobreed (Ch. 1-76)
• by Tirzah (Ch. 1-63)
•  by AdrienH (Ch. 1-101)
• by IlCensore (Ch. 1-101)
• by Rhaidot (Ch. 1-40)
•  by Jost Migenda, Alex, Martin, and Arne (Ch. 1-17)
•  by Mafagafo (Ch. 1-11)
• by Joanna (Ch. 1-28)
• by Forsake (Ch. 1-6)
• by Hexjr (Ch. 1-6)
• by thijsel (Ch. 1-2)

The Rule of Rationalist Fiction states that rationality is not magic; being rational does not require magical potential or royal bloodlines or even amazing gadgets, and the principles of rationality work for understandable reasons. A rationalist!hero should excel by thinking – moreover, thinking in understandable patterns that readers can, in principle, adopt for themselves. As opposed to the hero just being a born “genius” who comes up with amazing gadgets through an opaque discovery process, or who flawlessly pulls off incredibly complicated gambits that would fail miserably if the reader tried something similar in real life.

All fanfiction involves borrowing the original author’s characters, situations, and world. It is ridiculous to turn around and complain if your own ideas get borrowed in turn. Anyone is welcome to steal anything from any fanfiction I write.

If you enjoy reading a fic, that’s easy to repay; just leave a review – reviews make authors happy. But what if you learn something from a fic, what what if it changes your mind? A favor like that isn’t easy to repay, but what can’t be paid back can often be paid onward. Blog the fic or tweet it or tell your friends, and someone else will get a chance to learn.