This is the essence of Christian thought and you can use it to prove anything. All you need is faith or belief. It's pretty insidious: "Now faith is the substance of things hoped for, the evidence of things not seen" this gem is found in Hebrews 11:1

Faith or belief morphs into evidence. I believe the Easter Bunny is real, that's all the evidence I need. I believe the train wreck tRump was sent by God, well it's true because some idiot's belief becomes the evidence. Ingenious! I believe I'm rich, will somebody please tell the bank.