Seventeenth-century Holland was a culture divided. Orthodox Calvinists, loyal to both scholastic philosophy and the quasi-monarchical House of Orange, saw their world turned upside down with the sudden death of Prince William II and no heir to take his place. The Republicans seized this opportunity to create a decentralized government favourable to Holland's trading interests and committed to religious and philosophical tolerance. The now ruling regent class, freshly trained in the new philosophy of Descartes, used it as a weapon to fight against monarchical tendencies and theological...