Shrines! Shrines! Surely you don't believe in the gods. What's your argument? Where's your proof?

Open your mouth and shut your eyes and see what Zeus will send you.

I'm a polyatheist - there are many gods I don't believe in

I believe you need scientific proof that something works before you entrust your health to it.

That God cannot lie, is no advantage to your argument, because it is no proof that priests can not, or that the Bible does not.

God's existence needs to be established independently before he can be brought into account for causation; it cannot be assumed at the start.