Roger Bacon Quotes

Quotes about:

• Knowledge of languages is the doorway to wisdom.

  Roger Bacon

  Inspirational, Education, Wisdom

  71 Copy quote

• Reasoning draws a conclusion, but does not make the conclusion certain, unless the mind discovers it by the path of experience.

  Roger Bacon

  Mind, Doe, Path

  1267 Opus Majus (translated by Robert Belle Burke, 1928).

  69 Copy quote

• 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.

  Roger Bacon

  Ignorance, Prejudice, Four

  Roger Bacon (2016). “Opus Majus, Volumes 1 and 2”, p.4, University of Pennsylvania Press

  53 Copy quote

• Argument is conclusive, but it does not remove doubt.

  Roger Bacon

  Doubt, Doe, Argument

  "Memorable Quotations: Philosophers of Western Civilization". Book edited by Carol Dingle, p. 21, 2000.

  19 Copy quote

• It is easier for a man to burn down his own house than to get rid of his prejudices.

  Roger Bacon

  Men, House, Prejudice

  30 Copy quote

• A little learning is a dangerous thing but none at all is fatal.

  Roger Bacon

  Ignorance, Littles, Dangerous

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• Cease to be ruled by dogmas and authorities; look at the world!

  Roger Bacon

  Looks, World, Dogma

  33 Copy quote

• Neglect of mathematics work injury to all knowledge, since he who is ignorant of it cannot know the other sciences or things of this world. And what is worst, those who are thus ignorant are unable to perceive their own ignorance, and so do not seek a remedy.

  Roger Bacon

  Learning, Ignorance, Science

  29 Copy quote

• To ask the proper question is half of knowing.

  Roger Bacon

  Knowledge, Knowing, Words Of Wisdom

  "LIFE" Magazine, (p. 73), September 8, 1958.

  22 Copy quote

• Atheists are like wild feral dogs wih no master. But Christians are like loving dogs with a giving and loving master. Domesticated dogs will love you always, but Feral wild dogs HAVE to be put down. they are a danger to us all.

  Roger Bacon

  Christian, Dog, Atheist

  23 Copy quote

• The strongest arguments prove nothing so long as the conclusions are not verified by experience. Experimental science is the queen of sciences and the goal of all speculation.

  Roger Bacon

  Queens, Science, Long

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• There are two modes of knowledge: through argument and through experience. Argument brings conclusions and compels us to concede them, but it does not cause certainty nor remove doubts that the mind may rest in truth, unless this is provided by experience.

  Roger Bacon

  Education, Two, Doubt

  26 Copy quote

• All sciences are connected; they lend each other material aid as parts of one great whole, each doing its own work, not for itself alone, but for the other parts; as the eye guides the body and the foot sustains it and leads it from place to place.

  Roger Bacon

  Eye, Science, Feet

  Roger Bacon, John Henry Bridges (2010). “The Opus Majus of Roger Bacon”, p.88, Cambridge University Press

  22 Copy quote

• For the things of this world cannot be made known without a knowledge of mathematics.

  Roger Bacon

  Knowledge, Math, World

  Roger Bacon (2016). “Opus Majus, Volumes 1 and 2”, p.128, University of Pennsylvania Press

  22 Copy quote

• There are two modes of acquiring knowledge, namely by reasoning and experience. Reasoning draws a conclusion and makes us grant the conclusion, but does not make the conclusion certain, nor does it remove doubt so that the mind may rest on the intuition of truth, unless the mind discovers it by the path of experience.

  Roger Bacon

  Inspirational, Two, Doubt

  1267 Opus Majus (translated by Robert Belle Burke, 1928).

  14 Copy quote

• A man is crazy who writes a secret in any other way than one which will conceal it from the vulgar.

  Roger Bacon

  Crazy, Writing, Men

  Quoted in Kahn, The Codebreakers (1996).

  18 Copy quote

• Mathematics is the gate and key to science.

  Roger Bacon

  Math, Keys, Gates

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• All science requires mathematics. The knowledge of mathematical things is almost innate in us. This is the easiest of sciences, a fact which is obvious in that no one's brain rejects it; for laymen and people who are utterly illiterate know how to count and reckon.

  Roger Bacon

  People, Brain, Facts

  1267 OpusMajus, pt.4, ch.1 (translated by Robert Belle Burke, 1928).

  15 Copy quote

• The conquest of learning is achieved through the knowledge of languages.

  Roger Bacon

  Language, Language Learning, Conquest

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• Few have attained to consummate wisdom in the perfection of philosophy: Solomon attained to it, and Aristotle in relation to his times, and in a later age Avicenna, and in our own days the recently deceased Robert, Bishop of Lincoln, and Adam Marsh.

  Roger Bacon

  Philosophy, Perfection, Age

  "Opus Tertium" by Roger Bacon, (p. 70), (c. 1267).

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• No one really knew the sciences except the Lord Robert, Bishop of Lincoln, by reason of his length of life and experience, as well as of his studiousness and zeal. He knew mathematics and perspective, and there was nothing which he was unable to know; and at the same time he was sufficiently acquainted with languages to be able to understand the saints and the philosophers and the wise men of antiquity but his knowledge of languages was not such as to enable him to effect translations until the latter portion of his life.

  Roger Bacon

  Wise, Men, Length Of Life

  "Opus Tertium". Book by Roger Bacon, p. 91, 1267.

  14 Copy quote

• In the mathematics I can report no deficience, except that it be that men do not sufficiently understand the excellent use of the pure mathematics, in that they do remedy and cure many defects in the wit and faculties intellectual. For if the wit be too dull, they sharpen it; if too wandering, they fix it; if too inherent in the sense, they abstract it.

  Roger Bacon

  Math, Men, Intellectual

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• All science requires mathematics.

  Roger Bacon

  Science, Mathematics, Accounts

  1267 OpusMajus, pt.4, ch.1 (translated by Robert Belle Burke, 1928).

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• For if any man who never saw fire proved by satisfactory arguments that fire burns. His hearer's mind would never be satisfied, nor would he avoid the fire until he put his hand in it that he might learn by experiment what argument taught.

  Roger Bacon

  Men, Fire, Hands

  "Memorable Quotations: Philosophers of Western Civilization". Book by Carol A. Dingle, p. 21, 2000.

  10 Copy quote

• There are four great sciences, without which the other sciences cannot be known nor a knowledge of things secured ... Of these sciences the gate and key is mathematics ... He who is ignorant of this [mathematics] cannot know the other sciences nor the affairs of this world.

  Roger Bacon

  Keys, Ignorant, World

  Roger Bacon (1928). “The Opus majus of Roger Bacon: a translation of Robert Belle Burke”

  3 Copy quote

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