Life as an Intelligence Test

The book delves into the multifaceted nature of intelligence, tracing its evolutionary origins and examining the roles of genetics and neurobiology. It highlights the observable differences in intelligence among individuals, illustrated by varying behaviors and IQ scores. While daily life often relies on habit rather than exceptional intelligence, the author argues that higher intelligence correlates with numerous advantages, including improved social status, health, and reduced criminality, underscoring the significant impact of intelligence on life outcomes.