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Who said: “Every body perseveres in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by forces impressed.”
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Home > Dictionary of Science Quotations > Scientist Names Index L > Georg Christoph Lichtenberg Quotes > World

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Georg Christoph Lichtenberg
(1 Jul 1742 - 24 Feb 1799)

German physicist and writer most widely known for his satire and aphorisms, but as a scientist, Lichtenberg did research in a wide variety of fields, including geophysics, volcanology, meteorology, chemistry, astronomy, mathematics, but especially physics. He discovered the basic physical process later used in xerographic copiers.


Georg Christoph Lichtenberg Quotes on World (4 quotes)

>> Click for 73 Science Quotes by Georg Christoph Lichtenberg

>> Click for Georg Christoph Lichtenberg Quotes on | Belief | Discovery | Genius | Man | Nature | Science | Theory | Thinking | Truth |

A good method of discovery is to imagine certain members of a system removed and then see how what is left would behave: for example, where would we be if iron were absent from the world: this is an old example.
— Georg Christoph Lichtenberg
Aphorism 258 in Notebook J (1789-1793), as translated by R. J. Hollingdale in Aphorisms (1990). Reprinted as The Waste Books (2000), 181.
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Imagine the world so greatly magnified that particles of light look like twenty-four-pound cannon balls.
— Georg Christoph Lichtenberg
As given, without source, in James Geary, Geary's Guide to the World's Great Aphorists (2008), 341.
Science quotes on:  |  Ball (62)  |  Greatness (54)  |  Imagine (165)  |  Light (609)  |  Look (582)  |  Magnification (9)  |  Particle (196)  |  World (1778)

Our world will yet grow so subtle that it will be as ludicrous to believe in a god as it is today to believe in ghosts.
— Georg Christoph Lichtenberg
Aphorism 57 in Notebook D (1773-1775), as translated by R.J. Hollingdale in Aphorisms (1990). Reprinted as The Waste Books (2000), 52.
Science quotes on:  |  Belief (578)  |  Ghost (36)  |  God (758)  |  Grow (238)  |  Ludicrous (7)  |  Science And Religion (310)  |  Subtle (35)  |  Today (314)  |  Will (2354)  |  World (1778)

Where a body is in motion, there exists space and time, the simplest sentient creature in this world would thus be a measure of them. Our hearing, and perhaps our seeing too, consists of a counting of oscillations.
— Georg Christoph Lichtenberg
Aphorism 54 in Notebook D (1773-1775), as translated by R.J. Hollingdale in Aphorisms (1990). Reprinted as The Waste Books (2000), 52.
Science quotes on:  |  Body (537)  |  Consist (223)  |  Count (105)  |  Counting (26)  |  Creature (233)  |  Exist (444)  |  Existence (460)  |  Hearing (49)  |  Measure (233)  |  Measurement (174)  |  Motion (312)  |  Oscillation (13)  |  Seeing (142)  |  Sentient (7)  |  Sight (132)  |  Space (501)  |  Space And Time (36)  |  Time (1877)  |  Time And Space (39)  |  World (1778)


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  • 1 Jul - short biography, births, deaths and events on date of Lichtenberg's birth.

Carl Sagan Thumbnail In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time something like that happened in politics or religion. (1987) -- Carl Sagan
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