Galileo Galilei Quotes About Eyes

Quotes about: Eyes

• Philosophy is written in that great book which ever lies before our eyes — I mean the universe — but we cannot understand it if we do not first learn the language and grasp the symbols, in which it is written.

  Galileo Galilei

  Philosophy, Lying, Book

  "The Assayer". Book by Galileo Galilei, 1623.

• Philosophy [nature] is written in that great book which ever is before our eyes -- I mean the universe -- but we cannot understand it if we do not first learn the language and grasp the symbols in which it is written. The book is written in mathematical language, and the symbols are triangles, circles and other geometrical figures, without whose help it is impossible to comprehend a single word of it; without which one wanders in vain through a dark labyrinth.

  Galileo Galilei

  Philosophy, Book, Mean

• The number of the fixed stars which observers have been able to see without artificial powers of sight up to this day can be counted. It is therefore decidedly a great feat to add to their number, and to set distinctly before the eyes other stars in myriads, which have never been seen before, and which surpass the old, previously known stars in number more than ten times.

  Galileo Galilei

  Stars, Eye, Numbers

  "The Essential Galileo".

• I truly believe the book of philosophy to be that which stands perpetually open before our eyes, though since it is written in characters different from those of our alphabet it cannot be read by everyone.

  Galileo Galilei

  Philosophy, Believe, Book

• Nothing physical which sense-experience sets before our eyes, or which necessary demonstrations prove to us, ought to be called in question (much less condemned) upon the testimony of biblical passages...

  Galileo Galilei

  Eye, Biblical, Thinking

  Essay published in 1615, in response to enquiries of Christina of Tuscany, as quoted in "Aspects of Western Civilization : Problems and Sources in History" by Perry McAdow Rogers, (p. 53), sourcebooks.fordham.edu. 1988.

• Surely it is a great thing to increase the numerous host of fixed stars previously visible to the unaided vision, adding countless more which have never before been seen, exposing these plainly to the eye in numbers ten times exceeding the old and familiar stars.

  Galileo Galilei

  Stars, Eye, Numbers

  "Discoveries and Opinions of Galileo". Book by Galileo Galilei, 1957.

• If experiments are performed thousands of times at all seasons and in every place without once producing the effects mentioned by your philosophers, poets, and historians, this will mean nothing and we must believe their words rather than our own eyes?

  Galileo Galilei

  Believe, Mean, Eye

• Some, merely to contradict what I had said, did not scruple to cast doubt upon things they had seen with their own eyes again and again.

  Galileo Galilei

  Eye, Doubt, Scruples

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