If you believe everything you’re supposed to now, how can you be sure you wouldn’t also have believed everything you were supposed to if you had grown up among the plantation owners of the pre-Civil War South, or in Germany in the 1930s—or among the Mongols in 1200, for that matter? Odds are you would have.

Back in the era of terms like “well-adjusted,” the idea seemed to be that there was something wrong with you if you thought things you didn’t dare say out loud. This seems backward. Almost certainly, there is something wrong with you if you don’t think things you don’t dare say out loud.

Paul Graham, ‘What You Can’t Say’, January, 2004