Art always penetrates the particular fissures in one’s psychic life. — Stephen Greenblatt

The exercise of reason is not available only to specialists; it is accessible to everyone. What is needed is to refuse the lies proffered by priests and other fantasymongers and to look squarely and calmly at the true nature of things.

Something happened in the Renaissance, something that surged up against the constraints that centuries had constructed around curiosity, desire, individuality, sustained attention to the material world, the claims of the body. The cultural shift is notoriously difficult to define, and its significance has been fiercely contested. But it can be intuited easily enough when you look in Siena at Duccio’s painting of the enthroned Virgin, the Maestà, and then in Florence at Botticelli’s Primavera.

The quintessential emblem of religion—and the clearest manifestation of the perversity that lies at its core—is the sacrifice of a child by a parent.