Did you know that 'Amazing Grace' had four verses?

I didn't know that 'Amazing Grace' had four verses.

There's the first verse everyone knows, then the second verse only a few people know but always sing smugly when the rest mumble along. I could have guessed there was a third verse nobody knew but I didn't realise there were four verses.

Oh wait, I just looked it up and there are actually six verses.

( Amazing Grace )

Huh, fancy that.