Wise words from Carl Sagan Wise words from Carl Sagan. One of the great thinkers of our time. His words emphasize the importance of us protecting our planet. Click to share on Facebook (Opens in new window) Click to share on Twitter (Opens in new window) Click to share on LinkedIn (Opens in new window) Found this useful? Share with Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Articles Amazon Prime AirCheck out the HP Elite x2Rylo Is Like No Other Camera Follow the blog Enter your email to receive new posts in your inbox