• Every cell is a triumph of natural selection, and we’re made of trillions of cells. Within us, is a little universe.

  Carl Sagan
  American astronomer, cosmologist, astrophysicist and author 1934-1996
  

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Subjects in these quotes:

1. selection
2. trillions
3. universe
4. little

Similar authors

• Carl Sagan
  American astronomer, cosmologist, astrophysicist and author 0
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Every cell is a triumph of natural selection, and we’re made of trillions of cells. Within us, is a little universe. by : Carl Sagan

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