We have been crafted by disaster to push out to the utmost horizon to find out what's on the other side of it. That's in our nature. What's also in our nature is a profound love and connection to our children and our communities. Those two things are very much at conflict with one another at certain moments.
Look at anyone's bookcase at home, no matter how modest, and you're going to find a book that contains wisdom or ideas or a language that's at least a thousand years old. And the idea that humans have created a mechanism to time travel, to hurl ideas into the future, it sort of bookends. Books are a time machine.