---
title: "Meaning & Key Takeaway of: The revolutions of thought which shape…"
description: "\"The revolutions of thought which shape the basic outlook of an age are not disseminated through text-books- they spread like epidemics, through contami..."
image: "https://sms4smile.com/quotes/i/a07/arthur-koestler-1903_age_the-revolutions-of-thought-which-shape-t_35279.jpg"
---

#  The revolutions of thought which shape the basic outlook…

![“The revolutions of thought which shape the basic outlook of an age are not disseminated through text-books- they spread like epidemics, through contamination by invisible agents and innocent germ carriers, by the most varied forms of contact, or simply by breathing the common air.” quote by Arthur Koestler](https://sms4smile.com/quotes/i/a07/arthur-koestler-1903_age_the-revolutions-of-thought-which-shape-t_35279.jpg)   [Download](https://sms4smile.com/quotes/i/a07/arthur-koestler-1903_age_the-revolutions-of-thought-which-shape-t_35279.jpg) [Open image](https://sms4smile.com/quotes/i/a07/arthur-koestler-1903_age_the-revolutions-of-thought-which-shape-t_35279.jpg)

> “The revolutions of thought which shape the basic outlook of an age are not disseminated through text-books- they spread like epidemics, through contamination by invisible agents and innocent germ carriers, by the most varied forms of contact, or simply by breathing the common air.”

[Arthur Koestler](https://sms4smile.com/quotes/author/arthur-koestler/)

## About This Quote

This interpretation was drafted with AI assistance. It is one reading of the quote, not the author's own explanation.

Ideas that define an era propagate organically through everyday interactions, not just formal education.

**In simple terms:** Ideas spread like disease, not via textbooks.

Key Takeaway

Cultural shifts are driven by informal transmission.

Themes

cultural diffusion social contagion intellectual history informal learning memetics

Mood

thoughtful analytical

Type

observation philosophical

When to use this quote

- academic discussions
- casual conversations
- media consumption
- public gatherings
- online forums

Key Concepts

social networks communication ideas culture

Practical Applications

- designing outreach campaigns
- crafting educational content

Questions to Reflect On

- How do informal channels shape public opinion?
- What mechanisms accelerate idea diffusion?

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