Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars. ...

The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars. (Carl Sagan)

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Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.

Carl Sagan Quotes: The sky calls to us. If we do not destroy ourselves, we will one day venture to the stars.