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hlthe2b

(110,355 posts)
1. Every ten years or so, it is interesting to see how our knowledge has advanced.
Fri Feb 7, 2020, 07:20 AM
Feb 2020

Honestly, can one possibly think there can't be more sophisticated forms of higher life somewhere out in the universe?

Our own history is so incomplete. How can we even begin to know what we "don't know"

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