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

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

Carl Sagan Quotes Pictures

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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