Carl Sagan: If we long for our planet to be important, there is something we can do about it. We mak


	Carl Sagan Humanity Sayings Carl Sagan If we long for our planet to be important, there is something we can do about it. We make our world significant by the courage of our questions and by the depth of our answers. Carl Sagan BestQuotes4Ever.com If we long for our planet to be important, there is something we can do about it. We make our world significant by the courage of our questions and by the depth of our answers. Humanity 1509

Carl Sagan Humanity Sayings