Princeton University Library is offering curator-led tours of its new exhibition “The Most Formidable Weapon Against Errors: The Sid Lapidus ’59 Collection & the Age of Reason,” which documents the new conceptions of human liberty, political order, and scientific reasoning that emerged in the Anglo-American intellectual world between the 17th and 19th centuries and celebrates the collecting achievements of Sid Lapidus, Class of 1959.

Tours meet in the lobby of Firestone Library. The exhibition is open to the public every day: Monday through Friday, 10AM-6PM and Saturday and Sunday, 11AM-6PM. The exhibition closes Sunday, June 8, 2025.