The vast distances that separate the stars are providential. Beings and worlds are quarantined from one another. The quarantine is lifted only for those with sufficient self-knowledge and judgment to have safely traveled from star to star.

Carl Sagan
About This Quote

Despite the vast distances separating the stars, our universe is full of life. Life on Earth, for example, originated here on Earth. The universe itself probably has billions of planets, each with its own unique combination of temperatures, gravity, atmosphere and even soil composition. It’s even possible that there are other life forms out there beyond our own solar system. So, despite the vast distances between stars and worlds, life still manages to thrive.

Source: Pale Blue Dot: A Vision Of The Human Future In Space

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More Quotes By Carl Sagan
  1. Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
  2. The cosmos is within us. We are made of star-stuff. We are a way for the universe to know itself.
  3. The Cosmos is all that is or was or ever will be. Our feeblest contemplations of the Cosmos stir us -- there is a tingling in the spine, a catch in the voice, a faint sensation, as if a distant memory, of falling from a...
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