“Holy scriptures may have been relevant in the Middle Ages, but how can they guide us in an era of artificial intelligence, bioengineering, global warming, and cyberwarfare? Yet secular people are a minority. Billions of humans still profess greater faith in the Quran and the Bible than in the theory of evolution; religious movements shape the politics of countries as diverse as India, Turkey, and the United States; and religious animosities fuel conflicts from Nigeria to the Philippines.”