I remember my friend Johnny von Neumann used to say, 'with four parameters I can fit an elephant and with five I can make him wiggle his trunk.'
Where is everybody? Humans could theoretically colonize the galaxy in a million years or so, and if they could, astronauts from older civilizations could do the same. So why haven't they come to Earth?
Interpretation
What this quote means
The quote questions why, despite the vastness and potential of the universe, we have not encountered extraterrestrial life.
Enrico Fermi's quote highlights a paradox in the search for extraterrestrial civilizations, known as the Fermi Paradox. It posits that given the age of the universe and the potential for life to arise elsewhere, we should have observable evidence of advanced civilizations, yet we find none. This raises fundamental questions about the existence of other life forms, the nature of intelligence, and the future of humanity in the cosmos.
Themes
In practice
Example use cases
During a talk on space exploration, one could use this quote to provoke thought on humanity's place in the universe.
More from Enrico Fermi
All quotes →The fact that no limits exist to the destructiveness of this weapon [the 'Super', i.e. the hydrogen bomb] makes its very existence and the knowledge of its construction a danger to humanity as a whole. It is necessarily an evil thing considered in any light. For these reasons, we believe it important for the President of the United States to tell the American public and the world what we think is wrong on fundamental ethical principles to initiate the development of such a weapon.
Never underestimate the joy people derive from hearing something they already know.
Experimental confirmation of a prediction is merely a measurement. An experiment disproving a prediction is a discovery.
Whatever Nature has in store for mankind, unpleasant as it may be, men must accept, for ignorance is never better than knowledge.
One might be led to question whether the scientists acted wisely in presenting the statesmen of the world with this appalling problem. Actually there was no choice. Once basic knowledge is acquired, any attempt at preventing its fruition would be as futile as hoping to stop the earth from revolving around the sun.
Similar quotes
No other technique for the conduct of life attaches the individual so firmly to reality as laying emphasis on work; for his work at least gives him a secure place in a portion of reality, in the human community.
The time has come to realise that an interpretation of the universe—even a positivist one—remains unsatisfying unless it covers the interior as well as the exterior of things; mind as well as matter. The true physics is that which will, one day, achieve the inclusion of man in his wholeness in a coherent picture of the world.
Accustom yourself to believe that death is nothing to us, for good and evil imply awareness, and death is the privation of all awareness; therefore a right understanding that death is nothing to us makes the mortality of life enjoyable, not by adding to life an unlimited time, but by taking away the yearning after immortality. For life has no terror; for those who thoroughly apprehend that there are no terrors for them in ceasing to live.
Philosophy just puts everything before us, and neither explains nor deduces anything.-Since everything lies open to view there is nothing to explain
As for the men in power, they are so anxious to establish the myth of infallibility that they do their utmost to ignore truth.
You get tragedy where the tree, instead of bending, breaks.