---
title: "Meaning & Key Takeaway of: But the concepts of the physical sciences…"
description: "\"“But the concepts of the physical sciences were ill-adapted to a world filled with acting men and women. The psychologic, the economic, these were matt..."
image: "https://sms4smile.com/quotes/i/728/patrick-e-mclean-40540_men-and-women_but-the-concepts-of-the-physical-science_498611.jpg"
---

#  But the concepts of the physical sciences were ill-adapted…

![“But the concepts of the physical sciences were ill-adapted to a world filled with acting men and women. The psychologic, the economic, these were matters for which no equation could reliably provide truth. For today's statistical relationship was sure to be turned on it's head tomorrow by a change…” quote by Patrick E. McLean](https://sms4smile.com/quotes/i/728/patrick-e-mclean-40540_men-and-women_but-the-concepts-of-the-physical-science_498611.jpg)   [Download](https://sms4smile.com/quotes/i/728/patrick-e-mclean-40540_men-and-women_but-the-concepts-of-the-physical-science_498611.jpg) [Open image](https://sms4smile.com/quotes/i/728/patrick-e-mclean-40540_men-and-women_but-the-concepts-of-the-physical-science_498611.jpg)

> ““But the concepts of the physical sciences were ill-adapted to a world filled with acting men and women. The psychologic, the economic, these were matters for which no equation could reliably provide truth. For today's statistical relationship was sure to be turned on it's head tomorrow by a change of preference or fancy. Electrons can be excited, but they do not panic. Observe as many favorable conditions for a riot as you may like, better yet set all of them, and still a riot may not happen. And you will probably never know why your plan of domestic unrest was foiled." (From How to Succeed in Evil)””

[Patrick E. McLean](https://sms4smile.com/quotes/author/patrick-e-mclean/)

## About This Quote

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

Human behavior resists precise mathematical modeling; social unrest is unpredictable despite careful planning.

**In simple terms:** People are hard to predict with equations.

Key Takeaway

Accept uncertainty in social planning.

Themes

uncertainty human behavior politics planning

Mood

cautious reflective

Type

analytical philosophical

When to use this quote

- political campaigns
- market forecasts
- crowd management
- policy design

Key Concepts

complex systems emergent phenomena nonlinear dynamics

Questions to Reflect On

- How can leaders prepare for unpredictable social reactions?
- What limits do equations have in forecasting human events?

A Different Perspective

Even perfect data cannot guarantee outcomes because human choices shift.

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[Conditions Riot](https://sms4smile.com/quotes/about/conditions-riot-4251100/) [Domestic Unrest](https://sms4smile.com/quotes/about/domestic-unrest-4251103/) [Electrons Excited](https://sms4smile.com/quotes/about/electrons-excited-4251104/) [Men and women](https://sms4smile.com/quotes/about/men-and-women/) [Psychologic Economic](https://sms4smile.com/quotes/about/psychologic-economic-4251102/) [Science](https://sms4smile.com/quotes/about/science/) [Set Riot](https://sms4smile.com/quotes/about/set-riot-4251101/) [Truth](https://sms4smile.com/quotes/about/truth/)

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