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.
“I mean, everybody should have access to medical care. And, you know, it shouldn't be such a big deal.”
“I feel in the depths of my soul that it is the highest, most sacred, and most irreversible part of my obligation to preserve the union of these states, although it may cost me my life.”