---
title: "1 Use Significance Quotes By Harold Jeffreys"
description: "1 Use Significance quotes by Harold Jeffreys. Plus more from Harold Jeffreys and more Use Significance sayings from other authors."
image: "https://sms4smile.com/quotes/i/03a/harold-jeffreys-47480_being-true_what-the-use-of-p-the-significance-level_1333387.jpg"
---

> [ What the use of P \[the significance level\] implies, therefore, is that a hypothesis that may be true may be rejected because it has not predicted observable results that have not occurred. ](https://sms4smile.com/quotes/harold-jeffreys/what-the-use-of-p-the-significance-level-implies-therefore-is-that-a/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

[Image](https://sms4smile.com/quotes/i/03a/harold-jeffreys-47480_being-true_what-the-use-of-p-the-significance-level_1333387.jpg)

## More by Harold Jeffreys

> [A formal and consistent theory of inductive processes cannot represent the operation of every human mind in detail; it will represent an ideal mind,…](https://sms4smile.com/quotes/harold-jeffreys/a-formal-and-consistent-theory-of-inductive-processes-cannot/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

> [We have to come back to something like ordinary language after all when we want to talk "about" mathematics!](https://sms4smile.com/quotes/harold-jeffreys/we-have-to-come-back-to-something-like-ordinary-language-after-all/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

> [ What the use of P \[the significance level\] implies, therefore, is that a hypothesis that may be true may be rejected because it has… ](https://sms4smile.com/quotes/harold-jeffreys/what-the-use-of-p-the-significance-level-implies-therefore-is-that-a/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

> [There are some current 'theories' that, when divested of begged questions, reduce to the non-controversial statement, 'Here are some facts and there may be…](https://sms4smile.com/quotes/harold-jeffreys/there-are-some-current-theories-that-when-divested-of-begged/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

> [The real difficulty about volcanism is not to see how it can start, but how it can stop.](https://sms4smile.com/quotes/harold-jeffreys/the-real-difficulty-about-volcanism-is-not-to-see-how-it-can-start/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

> [All suggested accounts of the origin of the solar system are subject to serious objections. The conclusion in the present state of the subject…](https://sms4smile.com/quotes/harold-jeffreys/all-suggested-accounts-of-the-origin-of-the-solar-system-are-subject/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

> [Variation must be taken as random until there is positive evidence to the contrary.](https://sms4smile.com/quotes/harold-jeffreys/variation-must-be-taken-as-random-until-there-is-positive-evidence-to/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

> [An observation, strictly, is only a sensation. Nobody means that we should reject everything but sensations. But as soon as we go beyond sensations…](https://sms4smile.com/quotes/harold-jeffreys/an-observation-strictly-is-only-a-sensation-nobody-means-that-we/)

[Harold Jeffreys](https://sms4smile.com/quotes/author/harold-jeffreys/)

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