Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - ...

The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are. (Carl Sagan)

Carl Sagan Quotes Pictures

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.

Carl Sagan Quotes: The nature of life on Earth and the search for life elsewhere are two sides of the same question - the search for who we are.