Science is a way to not fool ourselves.
Carl SaganRead
Perhaps, in retrospect, there would be little motivation even for malevolent extraterrestrials to attack the Earth; perhaps, after a preliminary survey, they might decide it is more expedient just to be patient for a little while and wait for us to self-destruct.
Interpretation
What this quote means
The quote suggests that extraterrestrials may find it unnecessary to invade Earth, as humanity's self-destructive tendencies might ultimately lead to its own downfall.
Carl Sagan's quote reflects on humanity's capacity for self-destruction and posits that, from an external perspective, it may be more logical for advanced extraterrestrial beings to observe rather than engage. It implies that our own actions might lead to our ruin, making intervention unnecessary, as we may achieve our end without outside help.
Themes
ExtraterrestrialsSelf-DestructionHumanityPhilosophyObservation
In practice
Example use cases
This quote could be used in a panel discussion about humanity's impact on the planet.
More from Carl Sagan
All quotes →In more than one respect, the exploring of the Solar System and homesteading other worlds constitutes the beginning, much more than the end, of history.
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The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before a witch's brew of deadly perils. But perhaps it really tells of a newfound talent to work together to protect the global environment.
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There is a reward structure in science that is very interesting: Our highest honors go to those who disprove the findings of the most revered among us. So Einstein is revered not just because he made so many fundamental contributions to science, but because he found an imperfection in the fundamental contribution of Isaac Newton.
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The simplest thought, like the concept of the number one, has an elaborate logical underpinning.
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