• In the vastness of the Cosmos there must be other civilizations far older and more advanced than ours.

  Source: Cosmos: A Personal Voyage (1990) 0 min 45 sec

  Carl Sagan
  American astronomer, cosmologist, astrophysicist and author 1934-1996
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Subjects in these quotes:

1. civilizations
2. advanced
3. there
4. other
5. older

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In the vastness of the Cosmos there must be other civilizations far older and more advanced than ours. by : Carl Sagan

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