Every mystery ever solved had been a puzzle from the dawn of the human species right up until someone solved it.

- With respect, Professor McGonagall, I'm not quite sure you understand what I'm trying to do here. - With respect, Mr. Potter, I'm quite sure I don't. Unless - this is a guess, mind - you're trying to take over the world? - No! I mean yes - well, NO! - I think i should perhaps be alarmed that you have trouble answering the question.

Your strength as a rationalist is your ability to be more confused by fiction than by reality. If you are equally good at explaining any outcome, you have zero knowledge.

You are personally responsible for becoming more ethical than the society you grew up in.

It is triple ultra forbidden to respond to criticism with violence. There are a very few injunctions in the human art of rationality that have no ifs, ands, buts, or escape clauses. This is one of them. Bad argument gets counterargument. Does not get bullet. Never. Never ever never for ever.

Physiologically adult humans are not meant to spend an additional 10 years in a school system; their brains map that onto "I have been assigned low tribal status". And so, of course, they plot rebellion - accuse the existing tribal overlords of corruption plot, perhaps to split off their own little tribe in the savanna, not realizing that this is impossible in the Modern World.

If the iron is hot, I desire to believe it is hot, and if it is cool, I desire to believe it is cool.