Idea Ripper // ArchiveCards: 1555 [Live] | Updated: 2026-10-14
Card #c45IR // #c45Synthesis

Over the past two centuries, there have been five such stages: the Enlightenment in 1730-1790, the Romantic Movement in 1790-1850, the Age of Scientific Materialism in 1850-1895, the Period of Irrational Activism of 1895-1945, and our new Age of Inclusive Diversity since 1945.

— In our words · Source: Tragedy and Hope (Carroll Quigley)

[Use when]

When a debate feels like two centuries talking past each other — check which outlook each side inhabits.

[Why it matters]

Quigley's cultural periodization: the twentieth century's new outlook is not a doctrine but a condition — diversity as the operating system, replacing the materialist certainties that ended in 1945.

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