Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers ...

We make our world significant by the courage of our questions and the depth of our answers (Carl Sagan)

Carl Sagan Quotes Pictures

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers

Carl Sagan Quotes: We make our world significant by the courage of our questions and the depth of our answers