Hans Roslings bok ”Factfulness” (med Ola Rosling och Anna Rosling Rönnlund, Flatiron book) inleds med ett för samhällsdebatten helt centralt budskap om hur människans hjärna fungerar;
”The human brain is a product of millions of years of evolution and we are hard-wired with instincts that helped our ancestors to survive in small groups of hunters and gatherers. Our brains often jump to swift conclusions without much thinking, which used to help us to avoid immediate dangers.”