Not the best...
...but quite alright.
It's rather an old joke than actually a message, so I figured I'd need to judge the Flash itself. And by that, I don't find it that great.
By the way... "to read this message from God"... that's why I'm not a Christian and that's why I can't stand the church - it's simply wrong, don't you think? YOU made the Flash, some human invented the joke, including the philosphy that a million years is like a second to god... being always... it's still said by men.
I prefer believing in a God that just is and not being made by mankind. Oh - and don't tell me the bible was written by God. It's written by humans, inspired by God. And what does inspired mean? Right, it means that it's not "his word".
Oh, don't get me wrong. I don't have anything against the belief in the Christian god or the bible. I can't stand the naivety that comes with it.