Provability is in the one that knows the existence and possibilities. If I believe in something YOU do not, It isn't my problem, I still have the FREEDOM to believe! As do you as well.

Faith

I don't know. I stay away from those beliefs.

nothing can be proven

When you were a kid, you wanted Santa Clause to exist, even though you knew he didn't exist, but you still convinced yourself that he did exist, simply because his existence made you happy. I'll deceive my mind into believing the most ridiculous thing if it'll make me happy