That's a hard question because 'blind faith' is a paradox in itself. What is faith if it's not going in blind? If you don't believe it until you see it is then it's not faith is it? Faith is the substance of things hoped for and the evidence of things UNSEEN. That's the whole point of faith.
My faith was a gift from God, he gave me my faith...not man! Man tried to take my faith away but they didn't give it to me....they don't have that power.