Don't time travel into the past, roaming through the nuances as if they can change. Don't bookmark pages you've already read.

I'm a real big believer in enjoying your time while you're here. We still travel a lot.

Time travel is not possible because the past and future do not exist.

Are you saying that we can affect what happened in the past? That we can change it?

When a place gets crowded enough to require ID's, social collapse is not far away. It is time to go elsewhere. The best thing about space travel is that it made it possible to go elsewhere.

Time travel is such a magic concept.