Every exit is an entry somewhere else.

Every exit is an entrance somewhere else

Look on every exit as being an entrance somewhere else.

We're going to have an entry-exit system based on a machine-readable passport, so we'll be able to verify and validate they are who they claim to be,

You need both an exit feature as well as an entry feature. Unless you have both ends, the system still isn't operational.

Pink Floyd are one of a handful of bands I've listened to a lot and whose concerts I've been to. I love the experience. I don't dance; I just jig up and down like everybody else.