Many things cannot be proved or disproved.Most things actually

You can’t prove by logic  God exists neither can you prove he doesn’t.You might have experiences which prove it to you but you can’t get anyone else to have the same experiences.
You can’t prove logically that Beethoven is greater than Haydn nor vice versa.
We can only use language but if there is a God he was there prior to language being invented by humans.He might sing like a bird but better!
You can say the religious experiences of St Teresa were merely molecules in her brain moving about.You cannot either prove it or disprove it.You choose as you wish.
I can’t prove my husband loves me but I deduce it from how he acts and speaks.