The guy that writes these is running out of pithy sayings and is trying out random mysterious phrases.
You can never know everything, and part of what you know is always wrong. Perhaps even the most important part. A portion of wisdom lies in knowing that. A portion of courage lies in going on anyways.-- Robert Jordan (1948-2007), The Wheel Of Time
Not that it matters to you, but I also found a lot of sources suggesting Copenhagen, which was promising because that's where I'm going, but my search for plane tickets has provided evidence to the contrary.