“Science sometimes improves hypothesis and sometimes disproves them. But proof would be another matter and perhaps never occurs except in the realms of totally abstract tautology. We can sometimes say that if such and such abstract suppositions or postulates are given, then such and such abstract suppositions or postulates are given, then such and such must follow absolutely. But the truth about what can be perceived or arrived at by induction from perception is something else again.”
Source: Mind and Nature, a necessary unity, 1988, p. 27
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Gregory Bateson 49
English anthropologist, social scientist, linguist, visual … 1904–1980Related quotes

describing his discoveries in Density functional theory, December 29, 1995, in an interview with [István Hargittai, Magdolna Hargittai, Candid science: conversations with famous chemists, Volume 1 of Candid science, Imperial College Press, 2000, 1860942288, 180]

Dutch painter from the 17th century, famous for his painting of cows
Quote from 'Painting: from composition towards counter-composition'; in 'Painting and plastic art', 'De Stijl' – Theo van Doesburg, series XIII, 1 73-4, 1926, pp. 17–18
1926 – 1931

1880s, The Sentiment of Rationality (1882)
Context: The necessity of faith as an ingredient in our mental attitude is strongly insisted on by the scientific philosophers of the present day; but by a singularly arbitrary caprice they say that it is only legitimate when used in the interests of one particular proposition, — the proposition, namely, that the course of nature is uniform. That nature will follow to-morrow the same laws that she follows to-day is, they all admit, a truth which no man can know; but in the interests of cognition as well as of action we must postulate or assume it.

Forward, as quoted by Mario Livio, Is God a Mathematician? (2009)
Ausdehnungslehre (1844)

after 2000, Gerhard Richter: An Artist Beyond Isms' (2002)

Herschel Browning Chip (1968, p. 270).
Other translation:
Abstract art is only painting. And what's so dramatic about that? There is no abstract art. One must always begin with something. Afterwards one can remove all semblance of reality.
Richard Friedenthal (1968, p. 256-7).
Longer version:
Abstract art is only painting. And what's so dramatic about that? There is no abstract art. One must always begin with something. Afterwards one can remove all semblance of reality; there is no longer any danger as the idea of the object has left an indelible imprint. It is the object which aroused the artist, stimulated his ideas and set of his emotions. These ideas and emotions will be imprisoned in his work for good.. .Whether he wants it or not, man is the instrument of nature; she imposes on him character and appearance. In my paintings of Dinard, as in my paintings of Purville, I have given expression to more or less the same vision.. .. You cannot go against nature. She is stronger than the strongest of men. We can permit ourselves some liberties, but in details only (Boisgeloup, winter 1934).
As quoted in Futurism, ed. Didier Ottinger; Centre Pompidou / 5 Continents Editions, Milan, 2008, p. 313
Quotes, 1930's, "Conversations avec Picasso," 1934–35
Context: Abstract art is only painting. What about drama?
There is no abstract art. You always start with something. Afterward you can remove all traces of reality.