'Truth' is a purely subjective thing After all, to quote L. Ron Hubbard, founder of $cientology:
'What's true, is true for you'
Facts, however, can be proved by hard, solid evidence. Thus facts can never be disputed.
And until you can have that voice in your head, i.e. 'divine inspiration', 'holy spirit' or whatever decoded into audio form, amplified and played on speakers (and recorded), then it's nothing more than schizophrenia. But then, that's religious 'faith' and 'being filled' with the so called 'holy spirit' & supposedly 'God' answering 'prayers' - the ultimate mental handicap.
As every psychiatrist & psychologist can verify by experience. However, if you claim you have a direct line to 'the man upstairs', then the James Randi Educational Foundation would like to hear from you. I'm sure you'd only be too glad to demonstrate to the JREF this miraculous ability, under strict laboratory conditions, and subject to rigorous testing & analysis via various scientific methods. Then the results subject to peer review. There's a cool $1 million if you can prove your 'ability' works. So go ahead, what's stopping you?
"Scripture says the unbeliever has ears but cannot hear"
Can you say 'Delusion', rlhuckle? I refer you to said psychaitrists and psychologists.