Hell, Newton had to prove that GRAVITY exists. Galileo had to prove that the Earth revolves around the Sun and not vice versa,
The burden of proof depends on the person making the statement.
Just as a scientist must prove that water exists and that it boils at 212ºF and freezes at 32ºF by experimentation, and is composed of two parts Hydrogen and one part Oxygen, you must prove that God exists and that his attributes are x, y, z.
Believing is not proving. Claiming that God exists because the Bible says so because the Bible is the Word of God is circular reasoning and will not cut it.
So far, no one has managed to prove by physical means that God exists. But the burden of proof depends on the person making the allegation.
The first Platypus was denounced as a taxidermist's fake when first exhibited in England. It was only when a live platypus was presented that zoologists began to believe in platypuses.
Next time God talks to you, turn on a recorder.
Now that nearly everyone has a cellphone with a camera, I am pretty sure that the number of miraculous appearances of the Virgin Mary will drop from few to zero.
If they had had cellphones in antiquity, it would have been a hoot. We could illustrate the Bible with a photo of Jesus being tempted by Lucifer, Ezequiel would have taken a selfie with the Wheel, and Moses could show a selfie of himself with the Burning Bush. We could have audio of the thhhnake tempting Eve and seen the Handwriting On the Wall. Minnie, Minnie tickle a Parson.
