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Who said: “The path towards sustainable energy sources will be long and sometimes difficult. But America cannot resist this transition, we must lead it... That is how we will preserve our planet, commanded to our care by God. That’s what will lend meaning to the creed our fathers once declared.”
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Home > Dictionary of Science Quotations > Scientist Names Index E > Albert Einstein Quotes > Fact

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Albert Einstein
(14 Mar 1879 - 18 Apr 1955)

German-American physicist who developed the special and general theories of relativity. He was awarded the 1921 Nobel Prize for Physics for his explanation of the photoelectric effect.



I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
— Albert Einstein
Cosmic Religion: With Other Opinions and Aphorisms (1931), 97.
Science quotes on:  |  Belief (273)  |  Birth (68)  |  Embrace (18)  |  Evolution (431)  |  Factor (28)  |  Imagination (185)  |  Inspiration (42)  |  Intuition (33)  |  Knowledge (982)  |  Limited (12)  |  Progress (278)  |  Research (435)  |  Stimulation (9)

If we consider that part of the theory of relativity which may nowadays in a sense be regarded as bone fide scientific knowledge, we note two aspects which have a major bearing on this theory. The whole development of the theory turns on the question of whether there are physically preferred states of motion in Nature (physical relativity problem). Also, concepts and distinctions are only admissible to the extent that observable facts can be assigned to them without ambiguity (stipulation that concepts and distinctions should have meaning). This postulate, pertaining to epistemology, proves to be of fundamental importance.
— Albert Einstein
'Fundamental ideas and problems of the theory of relativity', Lecture delivered to the Nordic Assembly of Naturalists at Gothenburg, 11 Jul 1923. In Nobel Physics 1901-1921 (1998), 482.
Science quotes on:  |  Fact (494)  |  Knowledge (982)  |  Motion (107)  |  Relativity (42)

In the temple of science are many mansions, and various indeed are they that dwell therein and the motives that have led them thither. Many take to science out of a joyful sense of superior intellectual power; science is their own special sport to which they look for vivid experience and the satisfaction of ambition; many others are to be found in the temple who have offered the products of their brains on this altar for purely utilitarian purposes. Were an angel of the Lord to come and drive all the people belonging to these two categories out of the temple, the assemblage would be seriously depleted, but there would still be some men, of both present and past times, left inside. Our Planck is one of them, and that is why we love him.
— Albert Einstein
Address at Physical Society, Berlin (1918), for Max Planck’s 60th birthday, 'Principles of Research' in Essays in Science (1934, 2004), 1.
Science quotes on:  |  Altar (6)  |  Ambition (21)  |  Assemblage (6)  |  Brain (153)  |  Depletion (3)  |  Intellect (146)  |  Joy (39)  |  Motive (19)  |  Max Planck (57)  |  Purpose (106)  |  Superior (26)  |  Temple Of Science (5)  |  Utility (17)

It follows from the theory of relativity that mass and energy are both different manifestations of the same thing—a somewhat unfamiliar conception for the average man. Furthermore E=MC2, in which energy is put equal to mass multiplied with the square of the velocity of light, showed that a very small amount of mass may be converted into a very large amount of energy... the mass and energy were in fact equivalent.
— Albert Einstein
As expressed in the Einstein film, produced by Nova Television (1979). Quoted in Alice Calaprice, The Quotable Einstein (1996), 183.
Science quotes on:  |  Energy (154)

It is difficult even to attach a precise meaning to the term “scientific truth.” So different is the meaning of the word “truth” according to whether we are dealing with a fact of experience, a mathematical proposition or a scientific theory. “Religious truth” conveys nothing clear to me at all.
— Albert Einstein
From 'Scientific Truth' in Essays in Science (1934, 2004), 11.
Science quotes on:  |  Attach (4)  |  Clear (30)  |  Convey (5)  |  Different (51)  |  Difficult (31)  |  Experience (204)  |  Fact (494)  |  Mathematics (523)  |  Meaning (83)  |  Nothing (174)  |  Precise (16)  |  Proposition (43)  |  Religious (12)  |  Science And Religion (239)  |  Scientific (114)  |  Term (61)  |  Theory (501)  |  Truth (636)  |  Word (177)

Now it came to me: … the independence of the gravitational acceleration from the nature of the falling substance, may be expressed as follows: In a gravitational field (of small spatial extension) things behave as they do in a space free of gravitation. … This happened in 1908. Why were another seven years required for the construction of the general theory of relativity? The main reason lies in the fact that it is not so easy to free oneself from the idea that coordinates must have an immediate metrical meaning.
— Albert Einstein
In Paul Arthur Schilpp, 'Autobiographical Notes', Albert Einstein: Philosopher-Scientist (1949), 65-67.
Science quotes on:  |  Acceleration (6)  |  Construction (60)  |  Coordinate (2)  |  Fact (494)  |  Fall (59)  |  Field (100)  |  Free (28)  |  General (63)  |  Gravity (81)  |  Idea (367)  |  Immediate (14)  |  Independence (25)  |  Meaning (83)  |  Metrical (3)  |  Nature (820)  |  Reason (244)  |  Relativity (42)  |  Theory (501)  |  Year (140)

One may say “the eternal mystery of the world is its comprehensibility” … The fact that it is comprehensible is a miracle.
— Albert Einstein
‘Physics and Reality’, Franklin Institute Journal (Mar 1936). Collected in Out of My Later Years (1950), 60.
Science quotes on:  |  Comprehensibility (2)  |  Eternal (28)  |  Fact (494)  |  Miracle (42)  |  Mystery (99)  |  World (466)

The grand aim of all science is to cover the greatest number of empirical facts by logical deduction from the smallest possible number of hypotheses or axioms.
— Albert Einstein
As quoted in Lincoln Barnett, The Universe and Dr. Einstein (1950), 110.
Science quotes on:  |  Axiom (19)  |  Deduction (47)  |  Fact (494)  |  Hypothesis (202)  |  Science (1284)

The really valuable factor is intuition.
— Albert Einstein
Science quotes on:  |  Factor (28)  |  Intuition (33)  |  Really (7)  |  Scientific Method (136)  |  Value (117)

There is no inductive method which could lead to the fundamental concepts of physics. Failure to understand this fact constituted the basic philosophical error of so many investigators of the nineteenth century.
— Albert Einstein
Science quotes on:  |  19th Century (21)  |  Basic (38)  |  Concept (66)  |  Error (199)  |  Fact (494)  |  Failure (92)  |  Fundamental (93)  |  Induction (41)  |  Investigator (26)  |  Lead (59)  |  Logic (169)  |  Philosophical (4)  |  Physics (240)  |  Understand (64)

To the village square, we must bring the facts about nuclear energy. And from here must come America’s voice.
— Albert Einstein
Science quotes on:  |  America (60)  |  Bring (21)  |  Fact (494)  |  Nuclear Energy (9)  |  Voice (26)

We can invent as many theories we like, and any one of them can be made to fit the facts. But that theory is always preferred which makes the fewest number of assumptions.
— Albert Einstein
From interview by S.J. Woolf, 'Einstein’s Own Corner of Space’, New York Times (18 Aug 1929), Sunday Magazine, 2.
Science quotes on:  |  Assumption (39)  |  Fact (494)  |  Fewest (2)  |  Fit (20)  |  Invention (258)  |  Number (135)  |  Preference (16)  |  Theory (501)


See also:
  • 14 Mar - short biography, births, deaths and events on date of Einstein's birth.
  • Albert Einstein - My Theory - The Times (1919).
  • Geometry and Experience - Address by Albert Einstein to the Prussian Academy of Sciences (27 Jan 1921).
  • Even Einstein's Little Universe Is Big Enough - New York Times article (2 Feb 1921).
  • Large color picture of Albert Einstein (850 x 1000 px).
  • Albert Einstein - Context of “God … integrates empirically” quote - Medium image (500 x 350 px)
  • Albert Einstein - Context of “Laws of mathematics refer to reality” quote
  • Albert Einstein - Context of “Laws of mathematics refer to reality” quote - with Large image (800 x 600 px).
  • Albert Einstein - Context of “God … integrates empirically” quote - Large image (800 x 600 px)
  • Albert Einstein - context of quote Mathematics…a product of human thought - Medium image (500 x 350 px)
  • Albert Einstein - context of quote Mathematics…a product of human thought - Large image (800 x 600 px)
  • Albert Einstein - context of quote “Politics is more difficult than physics” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote “Politics is more difficult than physics” - Large image (800 x 600 px)
  • Albert Einstein - context of quote “Science without religion is lame; religion without science is blind.” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote “Science without religion is lame; religion without science is blind.” - Large image (800 x 600 px)
  • Albert Einstein - context of quote The Lord God is subtle - Medium image (500 x 350 px)
  • Albert Einstein - context of quote The Lord God is subtle - Large image (800 x 600 px)
  • Albert Einstein - context of quote Imagination is more important than knowledge - Medium image (500 x 350 px)
  • Albert Einstein - context of quote Imagination is more important than knowledge - Large image (800 x 600 px)
  • Albert Einstein - context of quote A theory can be proved by experiment - Medium image (500 x 350 px)
  • Albert Einstein - context of quote A theory can be proved by experiment - Large image (800 x 600 px)
  • Albert Einstein - context of quote Falling in love is not at all the most stupid thing - Medium image (500 x 350 px)
  • Albert Einstein - context of quote Falling in love is not at all the most stupid thing - Large image (800 x 600 px)
  • Albert Einstein - context of quote That is relativity - Medium image (500 x 350 px)
  • Albert Einstein - context of quote That is relativity - Large image (800 x 600 px)
  • Albert Einstein - context of quote “One thing I have learned in a long life” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote One thing I have learned in a long life - Large image (800 x 600 px)
  • Albert Einstein - context of quote “Why is the electron negative?” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote “Why is the electron negative?” - Large image (800 x 600 px)
  • Albert Einstein - context of quote “The formulation of a problem is often far more essential than its solution” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote “The formulation of a problem is often far more essential than its solution” - Large image (800 x 600 px)
  • Albert Einstein - context of quote “Our exalted technological progress” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote “Our exalted technological progress” - Large image (800 x 600 px)
  • Albert Einstein - context of quote “There exists a passion for comprehension” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote “There exists a passion for comprehension” - Large image (800 x 600 px)
  • Albert Einstein - context of quote “An equation is for eternity” - Medium image (500 x 350 px)
  • Albert Einstein - context of quote “An equation is for eternity” - Large image (800 x 600 px)
  • Subtle Is the Lord: The Science and the Life of Albert Einstein, by Abraham Pais. - book suggestion.
  • Booklist for Albert Einstein.

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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