"It appears that consciousness is a very rare & precious thing & we should take whatever steps we can to preserve the light of consciousness. Only now, after 4.5 billion years has that window been open. That’s a long time to wait and it might not stay open for long.” -
Conversation
Earth and all life on it has been around for 4.5 billion. Humans only the last six million years.
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Life; something that can die.
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I guess we're using 'sentience' as the definition in this context?


