nationalaquarium: “ “We have an obligation to fight for life on Earth — not just for ourselves but for all those, humans and others, who came before us and to whom we are beholden, and for all those who, if we are wise enough, will come after.” ...
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nationalaquarium:

“We have an obligation to fight for life on Earth — not just for ourselves but for all those, humans and others, who came before us and to whom we are beholden, and for all those who, if we are wise enough, will come after.”

                                                                         

                                                                                             Carl Sagan


(Photo by Jeff Mauritzen)

(via moreanimalia)

Source: nationalaquarium