“Two half philosophers will probably never a whole metaphysician make.”
A Retrospective Glance at the Lifework of a Master of Books
Fragments of a Poetics of Fire (1988)
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Gaston Bachelard 35
French writer and philosopher 1884–1962Related quotes

“An aphorism can never be the whole truth; it is either a half-truth or a truth-and-a-half.”
Die Fackel no. 270/71 (19 January 1909)
Die Fackel

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

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

A Grief Observed (1961)
Context: Can a mortal ask questions which God finds unanswerable? Quite easily, I should think. All nonsense questions are unanswerable. How many hours are there in a mile? Is yellow square or round? Probably half the questions we ask — half our great theological and metaphysical problems — are like that.
Source: The Phoenix and the Mirror (1969), Chapter 10

Source: The Emergence Of Probability, 1975, Chapter 4, Evidence, p. 31.