Travel and society polish one, but a rolling stone gathers no moss, and a little moss is a good thing on a man.
Time travel was once considered scientific heresy, and I used to avoid talking about it for fear of being labelled a 'crank.'
Rome - the city of visible history, where the past of a whole hemisphere seems moving in funeral procession with strange ancestral images and trophies gathered from afar.
Even if it turns out that time travel is impossible, it is important that we understand why it is impossible.
We shall not cease from exploration, and the end of all our exploring will be to arrive where we started and know the place for the first time.
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.
If we want to travel into the future, we just need to go fast. Really fast. And I think the only way we're ever likely to do that is by going into space.
I think a lot of the American people feel more than a little disappointed that the high-water mark for human exploration was 1969. The dream of human space travel has almost died for a lot of people.
People want to go out and travel around and meet cool people. I could just go live in Vermont, but is that what I really want?
If you are lucky enough to have lived in Paris as a young man then wherever you go for the rest of your life it stays with you for Paris is a movable feast.
There is no unhappiness like the misery of sighting land again after a cheerful careless voyage.
For my part I travel not to go anywhere but to go. I travel for travel's sake. The great affair is to move.
No man should travel until he has learned the language of the country he visits otherwise he voluntarily makes himself a great baby - so helpless and ridiculous.
