It is tempting but false to regard adopting someone else's beliefs as a favor to them, and rationality as a matter of fairness, of equal compromise. Therefore it is written "Do not believe you do others a favor if you accept their arguments; the favour is to you." -- Eliezer Yudkowsky
The other rationality quotes thread operates under the rule:
Lately it seems that every MIRI or CFAR employee is excempt from being quoted.
As there are still interesting quotes that happen on LessWrong, Overcoming Bias, HPMoR and MIRI/CFAR employee in general, I think it makes sense to open this thread to provide a place for those quotes.