---
title: "Meaning & Key Takeaway of: All we know about the world teaches us…"
description: "\"All we know about the world teaches us that the effects of A and B are always different-in some decimal place-for any A and B. Thus asking \"are the eff..."
image: "https://sms4smile.com/quotes/i/013/john-tukey-29915_asking_all-we-know-about-the-world-teaches-us-t_1042380.jpg"
---

#  All we know about the world teaches us that the effects of…

![“All we know about the world teaches us that the effects of A and B are always different-in some decimal place-for any A and B. Thus asking &quot;are the effects different?&quot; is foolish.” quote by John Tukey](https://sms4smile.com/quotes/i/013/john-tukey-29915_asking_all-we-know-about-the-world-teaches-us-t_1042380.jpg)   [Download](https://sms4smile.com/quotes/i/013/john-tukey-29915_asking_all-we-know-about-the-world-teaches-us-t_1042380.jpg) [Open image](https://sms4smile.com/quotes/i/013/john-tukey-29915_asking_all-we-know-about-the-world-teaches-us-t_1042380.jpg)

> “All we know about the world teaches us that the effects of A and B are always different-in some decimal place-for any A and B. Thus asking "are the effects different?" is foolish.”

[John Tukey](https://sms4smile.com/quotes/author/john-tukey/)

## About This Quote

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

Statistical measurements always differ by tiny amounts; questioning if they differ is meaningless.

**In simple terms:** All measurements differ slightly; asking if they differ is pointless.

Key Takeaway

Accept minor variations as inherent.

Themes

statistics measurement precision

Mood

analytical objective

Type

scientific technical

When to use this quote

- scientific research
- data reporting
- quality control

Key Concepts

error analysis significance testing

Questions to Reflect On

- How do you decide when a difference matters?
- When should you ignore negligible variations?

A Different Perspective

Differences may be practically irrelevant despite statistical significance.

★ ★ ★ ★ ★   No ratings yet

[Decimals](https://sms4smile.com/quotes/about/decimals/) [World](https://sms4smile.com/quotes/about/world/)

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Browse all 3,313 Asking quotes

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