Science is a way to not fool ourselves.
How smart does a chimpanzee have to be before killing him constitutes murder?
Interpretation
What this quote means
This quote questions the ethics and intelligence standards we apply to non-human animals regarding moral treatment and rights.
Carl Sagan's quote challenges the audience to reflect on the moral implications of intelligence in relation to the treatment of animals, particularly primates like chimpanzees. It compels us to consider when an animal's consciousness and cognitive abilities warrant the same considerations we afford to humans, and at what point killing an intelligent being becomes an act of murder. This invites a broader dialogue about compassion, ethics, and the responsibilities humans have towards sentient creatures.
Themes
In practice
Example use cases
During a debate on animal rights, one could quote Sagan to emphasize the moral standards we need to reconsider.
More from Carl Sagan
All quotes βIn more than one respect, the exploring of the Solar System and homesteading other worlds constitutes the beginning, much more than the end, of history.
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.
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.
The simplest thought, like the concept of the number one, has an elaborate logical underpinning.
One of the reasons for its success is that science has a built-in, error-correcting machinery at its very heart. Some may consider this an overbroad characterization, but to me every time we exercise self-criticism, every time we test our ideas against the outside world, we are doing science. When we are self-indulgent and uncritical, when we confuse hopes and facts, we slide into pseudoscience and superstition.
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In real life the people who are most bigoted are the people who have no convictions at all.
And this lesson about mortal peace of mind I never forgot. Even if a ghost is ripping a house to pieces, throwing in pans all over, pouring water of pillows, making clocks chime at all hours, mortal will accept almost any "natural explanation" offered, no matter how absurd, rather than the obvious supernatural one, for what is going on.