The concept of willpower, too, has historical roots—namely in the Victorian Era with its Christian emphasis on resisting evil impulses. The idea of taking responsibility for oneself and not making excuses is as American as apple pie.

Humans are a cultural species. Our brains and psychology are specialized for acquiring, storing, and organizing information gleaned from the minds and behaviors of others. Our cultural learning abilities directly reprogram our minds, recalibrate our preferences, and adapt our perceptions.

WEIRD people are particularly biased to attribute actions or behavioral patterns to what’s “inside” others, relying on inferences about dispositional traits (e.g., he’s “lazy” or “untrustworthy”), personalities (she’s “introverted” or “conscientious”), and underlying beliefs or intentions (“what did he know and when did he know it?”). Other