I ask this because obviously everyone has different criteria, hence why we have Muslims who think Quran is the more than enough proof, Christians who think the Bible is perfect proof and atheists who believe that nothing yet has been proof enough of Gods existence.
Living with humans we all must have a good idea of human nature (God should certainly know) so what would you provide as proof if you were God to convince the masses of your existence?
If you were a Christian would your proof surpass that contained in the Bible, would you provide less proof?
If you are atheist would you provide a mathematical equation or a series of supernatural events that fulfill prophecies every 100 years?
If you agnostic, what would you require to really make you believe in a personal God. What amount of proof made you agnostic rather than atheist?