Roger Bacon Quotes - Page 2

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• 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”

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• Experimental science is the queen of knowledge.

  Roger Bacon

  Queens, Science, Experimental Science

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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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• As regards authority I so proceed. Boetius says in the second prologue to his Arithmetic, 'If an inquirer lacks the four parts of mathematics, he has very little ability to discover truth.' And again, 'Without this theory no one can have a correct insight into truth.' And he says also, 'I warn the man who spurns these paths of knowledge that he cannot philosophize correctly.' And Again, 'It is clear that whosoever passes these by, has lost the knowledge of all learning.'

  Roger Bacon

  Truth, Men, Path

  Roger Bacon (2016). “Opus Majus, Volumes 1 and 2”, p.117, University of Pennsylvania Press

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• All science requires mathematics.
  [Editors' summary of Bacon's idea, not Bacon's wording.]

  Roger Bacon

  Science, Editors, Ideas

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• ... mathematics is absolutely necessary and useful to the other sciences.

  Roger Bacon

  Math, Mathematics

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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.

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• Vacuum stands and remains a mathematical space. A cube placed in a vacuum would not displace anything, as it would displace air or water in a space already containing those fluids.

  Roger Bacon

  Air, Space, Water

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• One man alone had really known the sciences, namely, Robert, Bishop of Lincoln.

  Roger Bacon

  Men, Bishops, Known

  "Opis Majus". Book by Roger Bacon, edited by Samuel Jebb, p. 45, 1733.

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• 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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• Argument is conclusive, but it does not remove doubt, so that the mind may rest in the sure knowledge of the truth, unless it finds it by the method of experiment.

  Roger Bacon

  Doubt, Mind, Doe

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• But we must here state that we should not see anything if there were a vacuum. But this would not be due to some nature hindering species, and resisting it, but because of the lack of a nature suitable for the multiplication of species; for species is a natural thing, and therefore needs a natural medium; but in a vacuum nature does not exist.

  Roger Bacon

  Vacuums, Doe, Needs

  Roger Bacon (2016). “Opus Majus, Volumes 1 and 2”, p.485, University of Pennsylvania Press

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• The calendar is intolerable to all wisdom, the horror of all astronomy, and a laughing stock from a mathematician's point of view.

  Roger Bacon

  Views, Laughing, Calendars

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• But concerning vision alone is a separate science formed among philosophers, namely, optics, and not concerning any other sense ... It is possible that some other science may be more useful, but no other science has so much sweetness and beauty of utility. Therefore it is the flower of the whole of philosophy and through it, and not without it, can the other sciences be known.

  Roger Bacon

  Philosophy, Flower, Vision

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