There's been a number of good points here, and I'm happy to agree with Halbhh's point about "extremely improbable things that couldn't happen by themselves" - though I think most people would be happy to describe "coming back from the dead" or "re-growing an amputated limb" as "impossible," in common, everyday parlance. but have it your way.
I think, however, the discussion is straying rather off topic. Let's bring it back. Because there is a clear and simple point here, and I'd quite like to see an answer, and I'm afraid I haven't yet.
And it's this:
Christians do ask God for things. We can just take that as a given. No strawmen, please, about how God isn't a genie to give you
anything you ask for; nobody's saying He is. No "No True Scotsmen" arguments, please, about how
real Christians never ask God for anything. Let's focus on the real issue.
Look at this, on Christian Forums:
Prayer Wall
Christians, everyday, normal Christians, asking God for things. And, in general, I have sympathy with what they're asking for. On the first page alone - pray that a sick friend may be healed, pray that I might get over depression, pray that a bruise on my hand goes away, pray that forest fires might go out and that people and animals might not be hurt. All of these prayers seem very carefully worded so that, if they're lucky, they might be "answered".
Why are they only asking God for things that might reasonably be expected to happen anyway? Why are they asking God for things that might, out of pure chance, luck or coincidence, be expected to happen anyway?
I think I know why God never answers impossible prayers, of course. Because I, as an atheist, believe that there is no God. If a Christian asks for something that might happen anyway, then sometimes it does. But if a Christian asks God to do something impossible, I do not expect that anything will happen, because I think there's no God to answer them.
Christians, on the other hand, think that God is real, that God does (at least sometimes) answer prayers, and that God is perfectly capable of working miracles.
So why do they never, ever ask God to do the impossible?
It would be really nice if someone could address this question instead of dodging it.