This is awesome.

And a great way to learn how to correctly use semicolons. :)

A dozen, a gross, and a score
plus three times the square root of four
divided by seven
plus five times eleven
is nine squared, and not a bit more!

It's true, too!
I thought this was amusing, from http://limerickdb.com/.

Happy National Punctuation Day!

www.nationalpunctuationday.com

...Okay, so it's an American thing, but I still think it's a really cool idea.