Out of context, some of these one-liners you’ve probably seen in a dialog box have a deeper meaning. The last one is an honorable mention; a classic, non-tech artifact.
Everything not saved will be lost.
Nintendo “Quit Screen” message
Wait some time and then reconnect
Remove all attachments
Make sure your own mask is secure before assisting others
Airplane safety card
I’m sure you can google for plenty more, but these were my favorites.