There is a world full of things that we are unsure about. For many people, these things are spiritual questions. And even though we do not know, we can do one thing to change that.
We must earnestly seek after the questions that we ask about God. You cannot simply google the answer or just open the bible to take a look. It involves a lot of praying and time devoted to the scriptures.
For me personally, there have been a variety of things that I questioned about God. My head would spin with a million questions and I thought about them quite often. I did try googling what other people had said, but that only opened up even more questions for me to wonder about. You can never rely on what other people tell you because they may have a different point of view than you or just plain get the answer wrong. I also tried to just find a specific verse to answer my question. Sometimes you can find the answer like that but not always. God wants you to seek him and chase after him to really get to know him. Scripture says to, "Ask, and it will be given to you; seek, and you will find; knock, and it will be opened to you." God also has said that, "you will seek me and find me, whenever you seek me with all your heart."
There are spiritual questions that we do not know in this world. Some of them we may never know while we are here. You have to earnestly seek after him and not worry about what other people are saying. Other people can give good advice, but you have to devote the time yourself to get the answers that you are after.