As the recognized astronomer, astrophysicist, cosmologist, author, Carl Sagan once said: “Imagination will often carry us to worlds that never were. But without it we go nowhere.” Maybe you’ve read a hundred times this famous quote by this American astrologer; but, Have you ever stopped to think what is the real meaning behind this popular saying? Imagination … “Imagination will often carry us to worlds that never were. But without it we go nowhere.”