“How can the net amount of entropy of the universe be massively decreased?”
The Last Question (1956)
“How can the net amount of entropy of the universe be massively decreased?”
The Last Question (1956)
The Stars in Their Courses (1974), p. 36
General sources
Fuente: The Foundation series (1951–1993), Foundation’s Edge (1982), Chapter 19 “Decision” section 7, p. 404
“I don’t like anything that’s got to be. I want to know why.”
Section 2, Chapter 2a, p. 93
The Gods Themselves (1972)
“Once you've dissected a joke, you're about where you are when you've dissected a frog. It's dead.”
Banquets of the Black Widowers (1984), p. 49; comparable to "Humor can be dissected, as a frog can, but the thing dies in the process and the innards are discouraging to any but the pure scientific mind." — E. B. White, in "Some Remarks on Humor," preface to A Subtreasury of American Humor (1941)
General sources
Mother Earth News interview (1980)
“If anyone can be considered the greatest writer who ever lived, it is Shakespeare.”
Asimov's Chronology of the World (1991), p. 226
General sources
Part I, The Psychohistorians, section 6
The Foundation series (1951–1993), Foundation (1951)
Fuente: The Foundation series (1951–1993), Foundation and Empire (1952), Chapter 4 “The Emperor; in part I, “The General” originally published as “Dead Hand” in Astounding (April 1945)
Pebble in the Sky (1950), chapter 4 “The Royal Road”, p. 33
All page numbers from the 1964 Bantam Pathfinder mass market paperback edition, 6th printing
Pebble in the Sky (1950)
"The Dangerous Myth of Creationism" in Penthouse (January 1982); reprinted as Ch. 2 : "Creationism and the Schools" in The Roving Mind (1983), p. 16
General sources
Fuente: The Foundation series (1951–1993), Second Foundation (1953), Chapter 8 “Seldon’s Plan”; in part II, “Search by the Foundation” originally published as “—And Now You Don’t” in Astounding (November and December 1949 and January 1950)
“Secrecy as deep as this is past possibility without nonexistence as well.”
Fuente: The Foundation series (1951–1993), Second Foundation (1953), Chapter 1 “Two Men and the Mule”; in part I, “Search by the Mule” originally published as “Now You See It—” in Astounding (January 1948)
“A robot may not injure a human being, or, through inaction, allow a human being to come to harm.”
"Runaround" in Astounding Science Fiction (March 1942); later published in I, Robot (1950)
The Three Laws of Robotics (1942)
Variante: A robot may not injure a human being, or, through inaction, allow a human being to come to harm.
Part V, The Merchant Princes, section 2; originally published as “The Big and the Little” in Astounding (August 1944)
The Foundation series (1951–1993), Foundation (1951)
“When an old person dies who has been a part of your life, it is part of your youth that dies.”
Fuente: I. Asimov: A Memoir (1994), p. 538
"How Do People Get New Ideas?" (1959)
General sources
An Interview with Isaac Asimov (1979)
As quoted in The Journal of NIH Research (1990), 2, 30
General sources