These are things that haunt me at night. There will always be a hidden truth that will forever be out of our grasp. We can either go at it and possibly fail or never try and never know. Grow or die. I think we should grow.
Carl Sagan's Understanding Of The Afterlife Is Both Delicate And Inspiring
After the Earth dies, some 5 billion years from now, after it's burned to a crisp, or even swallowed by the Sun, there will be other worlds and stars and galaxies coming into being, and they will know nothing of a place once called Earth. Carl Sagan