---
title: "1 Truth Reason Quotes By Karl Popper"
description: "1 Truth Reason quotes by Karl Popper. Plus more from Karl Popper and more Truth Reason sayings from other authors."
image: "https://sms4smile.com/quotes/i/6a3/karl-popper-2167_truth_this-false-epistemology-however-has-also_1493505.jpg"
---

> [“This false epistemology, however, has also led to disastrous consequences. The theory that truth is manifest—that it is there for everyone to see, if only he wants to see it—this theory is the basis of almost every kind of fanaticism.…](https://sms4smile.com/quotes/karl-popper/this-false-epistemology-however-has-also-led-to-disastrous/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

[Image](https://sms4smile.com/quotes/i/6a3/karl-popper-2167_truth_this-false-epistemology-however-has-also_1493505.jpg)

## Other authors on Truth Reason

## More by Karl Popper

> [Science is not a system of certain, or -established, statements; nor is it a system which steadily advances towards a state of finality... And…](https://sms4smile.com/quotes/karl-popper/science-is-not-a-system-of-certain-or-established-statements-nor-is/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [“As indicated by our example, methodological nominalism is nowadays fairly generally accepted in the natural sciences. The problems of the social sciences, on the…](https://sms4smile.com/quotes/karl-popper/as-indicated-by-our-example-methodological-nominalism-is-nowadays/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [Science is perhaps the only human activity in which errors are systematically criticized and, in time, corrected.](https://sms4smile.com/quotes/karl-popper/science-is-perhaps-the-only-human-activity-in-which-errors-are/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [A system is empirical or scientific only if it is capable of being tested by experience. These considerations suggest that not the verifiability but…](https://sms4smile.com/quotes/karl-popper/a-system-is-empirical-or-scientific-only-if-it-is-capable-of-being/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [Bold ideas, unjustified anticipations, and speculative thought, are our only means for interpreting nature: our only organon, our only instrument, for grasping her. And…](https://sms4smile.com/quotes/karl-popper/bold-ideas-unjustified-anticipations-and-speculative-thought-are-our/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [ \[The aim of science is\] to explain what so far has taken to be an explicans, such as a law of nature. The task… ](https://sms4smile.com/quotes/karl-popper/the-aim-of-science-is-to-explain-what-so-far-has-taken-to-be-an/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [There can be no ultimate statements science: there can be no statements in science which can not be tested, and therefore none which cannot…](https://sms4smile.com/quotes/karl-popper/there-can-be-no-ultimate-statements-science-there-can-be-no/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [Evolution is not a fact. Evolution doesn't even qualify as a theory or as a hypothesis. It is a metaphysical research program, and it…](https://sms4smile.com/quotes/karl-popper/evolution-is-not-a-fact-evolution-doesn-t-even-qualify-as-a-theory-or/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [I am opposed to looking upon logic as a kind of game. ... One might think that it is a matter of choice or…](https://sms4smile.com/quotes/karl-popper/i-am-opposed-to-looking-upon-logic-as-a-kind-of-game-one-might-think/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [The history of science, like the history of all human ideas, is a history of irresponsible dreams, of obstinacy, and of error.](https://sms4smile.com/quotes/karl-popper/the-history-of-science-like-the-history-of-all-human-ideas-is-a/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [Good tests kill flawed theories; we remain alive to guess again.](https://sms4smile.com/quotes/karl-popper/good-tests-kill-flawed-theories-we-remain-alive-to-guess-again/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [There is no pure, disinterested, theory-free observation,](https://sms4smile.com/quotes/karl-popper/there-is-no-pure-disinterested-theory-free-observation/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [We have the right not to tolerate the intolerant. We should tolerate even them whenever we can do so without running a great risk;…](https://sms4smile.com/quotes/karl-popper/we-have-the-right-not-to-tolerate-the-intolerant-we-should-tolerate/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [Better our hypotheses die for our errors than ourselves.](https://sms4smile.com/quotes/karl-popper/better-our-hypotheses-die-for-our-errors-than-ourselves/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

> [“Every time we proceed to explain some conjectural law or theory by a new conjectural theory of a higher degree of universality, we are…](https://sms4smile.com/quotes/karl-popper/every-time-we-proceed-to-explain-some-conjectural-law-or-theory-by-a/)

[Karl Popper](https://sms4smile.com/quotes/author/karl-popper/)

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