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Carl Sagan

Carl was an astronomer, planetary scientist, cosmologist, astrophysicist, astrobiologist, author and science communicator. He had a robustly naturalistic worldview. He said: “I would love to believe that when I die I will live again, that some thinking, feeling, remembering part of me will continue. But as much as I want to believe that, and despite the ancient and worldwide cultural traditions that assert an afterlife I know of nothing to suggest that it is more than wishful thinking.”
He counselled against anthropocentrism (centring too strongly on the human species). He called on humans “to extend our ethical perspectives downward through the taxa on Earth and upwards to extraterrestrial organisms, if they exist.”However, he was not vegan or even vegetarian, implying that, in practical terms, he didn’t extend meaningful moral consideration to sentient farmed animals.
Article: “Sciences vast cosmic perspective eludes religion”
Carl on Wikipedia

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