Variant transcription from "Death of a Genius" in Life Magazine: "Then do not stop to think about the reasons for what you are doing, about why you are questioning. The important thing is not to stop questioning. Curiosity has its own reasons for existence. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery each day. Never lose a holy curiosity."
Fonte: Attributed in posthumous publications, Einstein and the Poet (1983), p. 138
Albert Einstein: Frases em inglês (página 24)
Frases em inglês.
Albert Einstein:
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"What must be an essential feature of any future fundamental physics?" Letter to Max Born (March 1948); published in Albert Einstein-Hedwig und Max Born (1969) "Briefwechsel 1916-55"<!-- p. 223 Nymphenburger, Munich-->, and in Potentiality, Entanglement and Passion-at-a-Distance: Quantum Mechanical Studies for Abner Shimony, Volume Two edited by Robert Cohen, Michael Horn, and John Stachel (1997), p. 121 http://books.google.com/books?id=DsNoIcQemTsC&lpg=PP1&pg=PA121#v=onepage&q&f=false
1940s
A note Einstein wrote underneath an etching of himself (made by Hermann Struck) which he sent to a friend, Dr. Hans Mühsam. According to the book, "the date is 1920 or perhaps earlier", p. 24
Attributed in posthumous publications, Albert Einstein: The Human Side (1979)
Letter to Cornel Lanczos (21 March 1942), p. 68
Attributed in posthumous publications, Albert Einstein: The Human Side (1979)
Man begreift schwer beim Erleben dieser "großen Zeit", daß man dieser verrückten, verkommenen Spezies angehört, die sich Willensfreiheit zuschreibt. Wenn es doch irgendwo eine Insel der Wohlwollenden und Besonnenen gäbe! Da wollte ich auch glühender Patriot sein.
Letter to Paul Ehrenfest, early December 1914. Collected Papers of Albert Einstein, Vol. 8, Doc. 39. Quoted in The New Quotable Einstein by Alice Calaprice (2005), p. 3
1910s
“Philosophy is empty if it isn't based on science. Science discovers, philosophy interprets.”
Fonte: Attributed in posthumous publications, Einstein and the Poet (1983), p. 98
George Gamow, in his autobiography My World Line: An Informal Autobiography (1970), p. 44. Here the "cosmological term" refers to the cosmological constant in the equations of general relativity, whose value Einstein initially picked to ensure that his model of the universe would neither expand nor contract; if he hadn't done this he might have theoretically predicted the universal expansion that was first observed by Edwin Hubble.
Attributed in posthumous publications
Statement upon joining the Montreal Pipe Smokers Club (1950)
1950s
Statement of the equivalence principle in Yearbook of Radioactivity and Electronics (1907)
1900s
1920s, Viereck interview (1929)
“The mind that opens to a new idea, Never comes back to its original size.”
Actually said by Oliver Wendell Holmes, Sr. in his book The Autocrat of the Breakfast Table: "Every now and then a man's mind is stretched by a new idea or sensation, and never shrinks back to its former dimensions."
Misattributed
Fonte: Attributed in posthumous publications, Einstein and the Poet (1983), p. 64
“Nuclear power is a hell of a way to boil water.”
Commonly quoted on the internet, this quote is actually from Karl Grossman, via his 1980 book Cover Up: What You are Not Supposed to Know About Nuclear Power (p. 155; freely available online via its publisher http://www.thepermanentpress.com/p-354-cover-up.aspx; see PDF page 187).
Misattributed
'Essays in Science (1934) p. 11. Reprinted in Ideas and Opinions On Scientific Truth (1954) p. 261, Crown Publishers, Inc. New York, New York, USA, 1954, ISBN 0679601058.
1940s
Interview with Rabindranath Tagore (14 April 1930), published in The Religion of Man (1930) by Rabindranath Tagore, p. 222, and in The Tagore Reader (1971) edited by Amiya Chakravarty
1930s
Letter to Queen Mother Elisabeth of Belgium (12 January 1953), Einstein Archive 32-405. Quoted in Albert Einstein: Creator and Rebel by Banesh Hoffman (1973), p. 261 http://books.google.com/books?id=sdDaAAAAMAAJ&q=%22no+longer+in+hope+or+fear%22#search_anchor, and also partially quoted (with a reference to the exact date of the letter) in Einstein: His Life and Universe by Walter Isaacson (2007), p. 536
1950s
From Albert Einstein and the Cosmic World Order, by C. Lanczos (Wiley, New York, 1956)
Attributed in posthumous publications, Albert Einstein: A guide for the perplexed (1979)
“The search for truth is more precious than its possession.”
This quote does appear in Einstein's 1940 essay "The Fundaments of Physics" which can be found in his book Out of My Later Years (1950), but Einstein does not claim credit for it, instead calling it "Lessing's fine saying".
Misattributed
German orgiginal: Dimensionslose Konstanten in den Naturgesetzen, die vom rein logischen Standpunkt aus ebensogut andere Werte haben können, dürfte es nicht geben.
As quoted in Begegnungen mit Einstein, von Laue, und Planck (1988) by Ilse Rosenthal-Schneider, p. 31, English edition Reality and Scientific Truth : Discussions with Einstein, von Laue, and Planck (1980) by Ilse Rosenthal-Schneider
Attributed in posthumous publications
Letter to his cousin Richard Einstein (October 1947)
1940s