---
title: "2 Display Quotes By Roger Bacon"
description: "2 Display quotes by Roger Bacon. Plus more from Roger Bacon and more Display sayings from other authors."
image: "https://sms4smile.com/quotes/i/459/roger-bacon-15067_authority_there-are-in-fact-four-very-significant_635998.jpg"
---

> [There are in fact four very significant stumbling blocks in the way of grasping the truth, which hinder every man however learned, and scarcely allow anyone to win a clear title to wisdom, namely, the example of weak and unworthy…](https://sms4smile.com/quotes/roger-bacon/there-are-in-fact-four-very-significant-stumbling-blocks-in-the-way/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

[Image](https://sms4smile.com/quotes/i/459/roger-bacon-15067_authority_there-are-in-fact-four-very-significant_635998.jpg)

> [There are four chief obstacles in grasping truth ... namely, submission to faulty and unworthy authority, influence of custom, popular prejudice, and the concealment of our own ignorance accompanied by an ostentatious display of our knowledge.](https://sms4smile.com/quotes/roger-bacon/there-are-four-chief-obstacles-in-grasping-truth-namely-submission-to/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

[Image](https://sms4smile.com/quotes/i/1cc/roger-bacon-15067_authority_there-are-four-chief-obstacles-in-graspi_1990467.jpg)

## Other authors on Display

## More by Roger Bacon

> [ \[I\]f in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundations of knowledge… ](https://sms4smile.com/quotes/roger-bacon/i-f-in-other-sciences-we-should-arrive-at-certainty-without-doubt-and/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [Knowledge of languages is the doorway to wisdom.](https://sms4smile.com/quotes/roger-bacon/knowledge-of-languages-is-the-doorway-to-wisdom/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [It is not necessarily impossible for human beings to fly, but it so happens that God did not give them the knowledge of how…](https://sms4smile.com/quotes/roger-bacon/it-is-not-necessarily-impossible-for-human-beings-to-fly-but-it-so/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [“Now there are four chief obstacles in grasping truth, which hinder every man, however learned, and scarcely allow anyone to win a clear title…](https://sms4smile.com/quotes/roger-bacon/now-there-are-four-chief-obstacles-in-grasping-truth-which-hinder/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [There are four great sciences, without which the other sciences cannot be known nor a knowledge of things secured ... Of these sciences the…](https://sms4smile.com/quotes/roger-bacon/there-are-four-great-sciences-without-which-the-other-sciences-cannot/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [There are in fact four very significant stumbling blocks in the way of grasping the truth, which hinder every man however learned, and scarcely…](https://sms4smile.com/quotes/roger-bacon/there-are-in-fact-four-very-significant-stumbling-blocks-in-the-way/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [ All science requires mathematics. \[Editors' summary of Bacon's idea, not Bacon's wording.\] ](https://sms4smile.com/quotes/roger-bacon/all-science-requires-mathematics-editors-summary-of-bacon-s-idea-not/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [If in other sciences we should arrive at certainty without doubt and truth without error, it behooves us to place the foundation of knowledge…](https://sms4smile.com/quotes/roger-bacon/if-in-other-sciences-we-should-arrive-at-certainty-without-doubt-and/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [There are in fact four very significant stumblingblocks in the way of grasping the truth, which hinder every man however learned, and scarcely allow…](https://sms4smile.com/quotes/roger-bacon/there-are-in-fact-four-very-significant-stumblingblocks-in-the-way-of/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [To ask the proper question is half of knowing](https://sms4smile.com/quotes/roger-bacon/to-ask-the-proper-question-is-half-of-knowing/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [It is easier for a man to burn down his own house than to get rid of his prejudices.](https://sms4smile.com/quotes/roger-bacon/it-is-easier-for-a-man-to-burn-down-his-own-house-than-to-get-rid-of/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [“Wissenschaft ist Macht.”](https://sms4smile.com/quotes/roger-bacon/wissenschaft-ist-macht/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [All sciences are connected; they lend each other material aid as parts of one great whole, each doing its own work, not for itself…](https://sms4smile.com/quotes/roger-bacon/all-sciences-are-connected-they-lend-each-other-material-aid-as-parts/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences, a fact which is…](https://sms4smile.com/quotes/roger-bacon/all-science-requires-mathematics-the-knowledge-of-mathematical-things/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

> [Half of science is asking the right questions.](https://sms4smile.com/quotes/roger-bacon/half-of-science-is-asking-the-right-questions/)

[Roger Bacon](https://sms4smile.com/quotes/author/roger-bacon/)

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