A simple challenge for atheists

[FatAndFaithless]

Yes. The gospels are evidence.

No, they're not, but thanks for playing. They aren't evidence for the events described within them any more than Harry Potter is evidence for magical train stations and talking goblins. The gospels are claims of what happened, not evidence. If you can't even see that, then discussion with you is about as useful as an asshole on an elbow.

The quality of the evidence is opinion.

Again, just plain fucking wrong. The 'quality' of any type of evidence is largely based on its level of corroboration.

You cannot prove that these things didn't happen.

You cannot prove that the events descirbed in the bhagavad gita didn't happen. That's a statement that is absolutely devoid of meaning.

I cannot prove that they did.

Then why the hell are you asserting that they did?

You can't prove that miracles can't happen just like you can't prove there is no God. I can't prove that miracles happened and I can't prove there is a God.

See above.

The only thing I can do is to defend that believing in God is not irrational.

Sorry, lacking evidence, reason, or any actual logical argument for believing in the existence of something is the very definition of irrationality.