(zzyzx [High Praise!] left it in the comments and credited it to The People’s Cube, but some light Googling shows that it’s been floating around the internet for a while, with the earliest instance I can find being in a photography forum message board in February. If anyone can find an earlier source, drop a link)

1. In order to insure the uninsured, we first have to uninsure the insured.
2. Next, we require the newly uninsured to be re-insured.
3. To re-insure the newly uninsured, they are required to pay extra charges to be re-insured.
4. The extra charges are required so that the original insured, who became uninsured, and then became re-insured, can pay enough extra so that the original uninsured can be insured, which will be free of charge to them.