I used to think that also, back when I was a part-time Christian. Once I began earnestly challenging my faith and reading the word of God, I asked myself if the Bible is the infallible word of God or not? Do I accept that man is fallen and put my faith in Jesus, or put my faith in men that tell me what I should believe? Do I need to observe something to believe it to be real? I’ve never seen anyone walk on water, but I believe Jesus did it.
I believe that the Bible is the divinely inspired word of God. I believe all of it, not just the parts that I’m comfortable believing.
If the Bible is simple and easy to understand why not just read it once and be done with it? People study it their whole life and every time they pick it up they find new meaning. This is because it is the LIVING word of God. God’s creation and his word cannot contradict themselves. IF there seems to be one, have faith that the problem is in your understanding of one, or the other, or both. Have faith patients that in time you will understand it all.