The conservatives’ accusation was quite accurate: to say that a woman’s voice should count equally with a man’s in public decisions was to assault ce… - Susan Jacoby

But the late-nineteenth-century advances in both scientific understanding and applied technology posed a particularly formidable challenge to orthodox religion because, taken together, they offered a logical explanation of processes once thought to be inexplicable curses or miracles. As understanding of natural causes expanded, the need for supernatural explanations decreased.

Political radicals regarded religion as merely one pillar of an unjust society, and they fully expected the pillar to collapse with the overturning of an economic order that favored the rich and oppressed the poor. Committed freethinkers, by contrast, regarded orthodox religion as the foundation of most other social evils. Because religion imprisoned the mind with visions of eternal rewards and punishments in the afterlife, it prevented men and women from devising rational solutions to finite earthly problems.

Fanatics throughout history have always been convinced of the virtuousness of their visions.