I have built a moat around myself, along with ways over that moat so that people can ask questions.
“Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out.”
“You didn't have a choice about the parents you inherited, but you do have a choice about the kind of parent you will be.”