In America there are two classes of travel -- first class, and with children.

In America there are two classes of travel--first class, and with children.

There are two kinds of travel: first class and with children.

In America there are two classes of travel - first class, and with children.

Caelum non animum mutant qui trans mare currunt.
(They change their sky, not their soul, who rush across the sea.)

When you're (traveling) with someone else, you share each discovery, but when you are alone, you have to carry each experience with you like a secret, something you have to write on your heart, because there's no other way to preserve it.