Time travel offends our sense of cause and effect - but...
Time travel offends our sense of cause and effect - but maybe the universe doesn't insist on cause and effect.
![Edward M. Lerner Quote About Cause, Effect, Insist, Maybe, Offends: Time Travel Offends Our Sense...](http://qt.azureedge.net/resources/quotes-images-large/time-travel-offends-our-sense-of-cause-and-effect-but-maybe-the-universe-doesn-cd9070188b45def69ffb9ff45a4f38ea.jpg)
Time travel offends our sense of cause and effect - but maybe the universe doesn't insist on cause and effect.