---
title: "3 Discarded Theories Quotes by 2 authors"
description: "Browse 3 Discarded Theories quotes by 2 authors. Discover the best Discarded Theories sayings and thoughts."
image: "https://sms4smile.com/quotes/i/6f0/karl-r-popper-13077_science_the-way-of-science-is-paved-with-discard_1223810.jpg"
---

> [“The way of science is paved with discarded theories which were once declared self-evident;”](https://sms4smile.com/quotes/karl-r-popper/the-way-of-science-is-paved-with-discarded-theories-which-were-once/)

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

[Image](https://sms4smile.com/quotes/i/6f0/karl-r-popper-13077_science_the-way-of-science-is-paved-with-discard_1223810.jpg)

> [The progress of science, like an ancient desert trail, is strewn with the bleached skeletons of discarded theories, doctrines, and axioms which…](https://sms4smile.com/quotes/arthur-koestler/the-progress-of-science-like-an-ancient-desert-trail-is-strewn-with/)

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

[Image](https://sms4smile.com/quotes/i/89a/arthur-koestler-1903_ancient_the-progress-of-science-like-an-ancient_1255337.jpg)

> [The progress of science is strewn, like an ancient desert trail, with the bleached skeleton of discarded theories which once seemed to…](https://sms4smile.com/quotes/arthur-koestler/the-progress-of-science-is-strewn-like-an-ancient-desert-trail-with/)

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

[Image](https://sms4smile.com/quotes/i/522/arthur-koestler-1903_ancient_the-progress-of-science-is-strewn-like-a_2819894.jpg)

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