The fundamental rule of political analysis from the point of psychology is, follow the sacredness, and around it is a ring of motivated ignorance.
--Jonathan Haidt, source
He also talks about how sacredness is one of the fundamental values for human communities, and how liberal/left-leaning theorists don't pay enough attention to it (and refuse to acknowledge their own sacred/profane areas).
I have more to say about his values theory, I'll post some thoughts later.
UPD: I wrote a little something, now I'm just gonna ask Konkvistador whether he thinks it's neutral enough or too political for LW.
Here's the new thread for posting quotes, with the usual rules: