The sentence usually arrives quietly. I don't know if I can trust this book. It might come after a college lecture, or a video about councils and emperors, or a footnote you noticed in your own Bible and could not stop thinking about. It sounds like one worry. Usually it is several worries wearing the same coat, and you cannot tell which one is pressing on you until you take the coat off.
One person suspects that someone changed the text on purpose. Another assumes that centuries of hand copying wore the words down past recognition. A third pictures a room where a few powerful men voted on which books counted. A fourth wonders whether the writers got the story right in the first place. These are different doubts with different evidence. You can trust the Bible, and the reasons are specific and checkable. They help most once you know which doubt is actually yours, because an answer aimed at the wrong worry can be true and still change nothing.
So the work ahead has two parts that belong together. The first is naming the narrower question inside the big one, in one plain sentence you could say out loud. The second is to keep reading Scripture while you work on it, which matters more than it sounds. Doubt tends to push people away from the text until their questions are settled, and so they stop doing the one thing that could settle them. Dr. Susan Lim, a trained historian who came to faith out of a Buddhist family, remembers that when she first opened the Bible, "parts of it are beautiful, but parts of it were hard for me to believe." She also remembers that she "didn't have anywhere in the church to express my doubts". Her conclusion sets the tone for everything that follows: "if we're asking those questions, what a blessing because God wants to answer that."