„A philosopher who has no connection to geometry is only half a philosopher, and a mathematician who has no philosophical vein is only half a mathematician.“

Original: (de) Ein Philosoph, der keine Beziehung zur Geometrie hat, ist nur ein halber Philosoph, und ein Mathematiker, der keine philosophische Ader hat, ist nur ein halber Mathematiker.

Gottlob Frege: Erkenntnisquellen der Mathematik und der mathematischen Naturwissenschaften, 1924/1925, submitted to Wissenschaftliche Grundlagen; posthumously published in: Frege, Gottlob: Nachgelassene Schriften und Wissenschaftlicher Briefwechsel. Felix Meiner Verlag, 1990, p. 293

Übernommen aus Wikiquote. Bearbeitet von Monnystr. Letzte Aktualisierung 22. Mai 2020. Geschichte
Gottlob Frege Foto
Gottlob Frege5
deutscher Mathematiker, Logiker und Philosoph 1848 - 1925

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Gottlob Frege Foto

„Every good mathematician is at least half a philosopher, and every good philosopher is at least half a mathematician.“

—  Gottlob Frege mathematician, logician, philosopher 1848 - 1925

Attributed to Frege in: A. A. B. Aspeitia (2000), Mathematics as grammar: 'Grammar' in Wittgenstein's philosophy of mathematics during the Middle Period, Indiana University, p. 25

George Eliot Foto

„Every man who is not a monster, a mathematician, or a mad philosopher, is the slave of some woman or other.“

—  George Eliot, buch Scenes of Clerical Life

"The Sad Fortunes of the Rev. Amos Barton" Ch. 4
Scenes of Clerical Life (1858)

Paul R. Halmos Foto

„Possibly philosophers would look on us mathematicians the same way as we look on the technicians, if they dared.“

—  Paul R. Halmos American mathematician 1916 - 2006

I Want to be a Mathematician: An Automathography (1985)
Kontext: Mathematics is not a deductive science — that's a cliché. When you try to prove a theorem, you don't just list the hypotheses, and then start to reason. What you do is trial and error, experimentation, guesswork. You want to find out what the facts are, and what you do is in that respect similar to what a laboratory technician does. Possibly philosophers would look on us mathematicians the same way as we look on the technicians, if they dared.

Adam Smith Foto

„By nature a philosopher is not in genius and disposition half so different from a street porter“

—  Adam Smith Scottish moral philosopher and political economist 1723 - 1790

Quelle: The Wealth of Nations (1776), Book I, Chapter II, p. 17.
Kontext: By nature a philosopher is not in genius and disposition half so different from a street porter, as a mastiff is from a greyhound

Gaston Bachelard Foto

„Two half philosophers will probably never a whole metaphysician make.“

—  Gaston Bachelard French writer and philosopher 1884 - 1962

A Retrospective Glance at the Lifework of a Master of Books
Fragments of a Poetics of Fire (1988)

Baruch Spinoza Foto
Denis Diderot Foto

„The philosopher has never killed any priests, whereas the priest has killed a great many philosophers.“

—  Denis Diderot French Enlightenment philosopher and encyclopædist 1713 - 1784

[L]e philosophe n'a jamais tué de prêtres et le prêtre a tué beaucoup de philosophes...
Observations on the Drawing Up of Laws (1774)
Quelle: Political Writings

Pierre Hadot Foto
Carl Friedrich Gauss Foto
Eric Temple Bell Foto

„Out of fifty mathematical papers presented in brief at such a meeting, it is a rare mathematician indeed who really understands what more than half a dozen are about.“

—  Eric Temple Bell mathematician and science fiction author born in Scotland who lived in the United States for most of his life 1883 - 1960

Quelle: Mathematics: Queen and Servant of Science (1938), p. 7

Karl Wilhelm Friedrich Schlegel Foto

„One can only become a philosopher, but not be one. As one believes he is a philosopher, he stops being one.“

—  Karl Wilhelm Friedrich Schlegel German poet, critic and scholar 1772 - 1829

“Selected Aphorisms from the Athenaeum (1798)”, Dialogue on Poetry and Literary Aphorisms, Ernst Behler and Roman Struc, trans. (Pennsylvania University Press:1968) #54
Athenäum (1798 - 1800)

Bertrand Russell Foto

„Organic life, we are told, has developed gradually from the protozoon to the philosopher, and this development, we are assured, is indubitably an advance. Unfortunately it is the philosopher, not the protozoon, who gives us this assurance.“

—  Bertrand Russell logician, one of the first analytic philosophers and political activist 1872 - 1970

Quelle: 1910s, Mysticism and Logic and Other Essays http://archive.org/stream/mysticism00russuoft/mysticism00russuoft_djvu.txt (1918), Ch. 6: On the Scientific Method in Philosophy

Saul Kripke Foto
Baruch Spinoza Foto

„Spinoza is the Christ of philosophers, and the greatest philosophers are hardly more than apostles who distance themselves from or draw near to this mystery.“

—  Baruch Spinoza Dutch philosopher 1632 - 1677

Gilles Deleuze & Félix Guattari, What is Philosophy? (cited in the Internet Encyclopedia of Philosophy http://www.iep.utm.edu/d/deleuze.htm#SH3b)
A - F, Gilles Deleuze

Emil M. Cioran Foto
Jacques Barzun Foto

„Philosophers no longer write for the intelligent, only for their fellow professionals.“

—  Jacques Barzun Historian 1907 - 2012

"Culture High and Dry" (1984), p. 9
The Culture We Deserve (1989)
Kontext: Philosophers no longer write for the intelligent, only for their fellow professionals. The few thousand academic philosophers in the world do not stint themselves: they maintain more than seventy learned journals. But in the handful that cover more than one subdivision of philosophy, any given philosopher can hardly follow more than one or two articles in each issue. This hermetic condition is attributed to "technical problems" in the subject. Since William James, Russell, and Whitehead, philosophy, like history, has been confiscated by scholarship and locked away from the contamination of general use.

Kevin Warwick Foto

„I feel that we are all philosophers, and that those who describe themselves as a ‘philosopher’ simply do not have a day job to go to.“

—  Kevin Warwick British robotics and cybernetics researcher 1954

in Hendricks, V: “Feisty Fragments for Philosophy”, King’s College Publications, London,2004.

Marcus Tullius Cicero Foto

„There is nothing so absurd but some philosopher has said it.“

—  Marcus Tullius Cicero, buch De divinatione

Book II, chapter LVIII, section 119
Cf. René Descartes' "On ne sauroit rien imaginer de si étranger et si peu croyable, qu’il n’ait été dit par quelqu’un des philosophes [One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another]" (Le Discours de la Méthode, Pt. 2)
Original: (la) Nihil tam absurde dici potest, quod non dicatur ab aliquo philosophorum.
Variante: There is nothing so ridiculous that some philosopher has not said it.
Quelle: De Divinatione – On Divination (44 BC)

Karl Weierstrass Foto

„… it is true that a mathematician who is not somewhat of a poet, will never be a perfect mathematician.“

—  Karl Weierstrass German mathematician 1815 - 1897

... es ist wahr, ein Mathematiker, der nicht etwas Poet ist, wird nimmer ein vollkommener Mathematiker sein.
Letter to Sofia Kovalevskaya, August 27, 1883, as shared by Gösta Mittag-Leffler at the 2nd International Congress for Mathematicians in Paris. Compte rendu du deuxième Congrès international des mathematiciens tenu à Paris du 6 au 12 août 1900, Gauthier-Villars (Paris), 1902, page 149.

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