1150-1250

Updated: May 19, 2025

Eight or ten years of study had led Adams to think he might use the century 1150-1250, expressed in Amiens Cathedral and the Works of Thomas Aquinas, as the unit from which he might measure motion down to his own time, without assuming anything as true or untrue, except relation. The movement might be studied at once in philosophy and mechanics.

Henry Adams - The Education of Henry Adams

Eight or ten years of study had led Adams to think he might use the century 1150-1250, expressed in Amiens Cathedral and the Works of Thomas Aquinas, as the unit from which he might measure motion down to his own time, without assuming anything as true or untrue except relation.... Setting himself to the task, he began a volume which he mentally knew as "Mont-Saint-Michel and Chartres: a Study in Thirteenth-Century Unity."

- Modern American Prose Selections