The title of this post is the title of the book by Dietrich Bonhoeffer I just finished reading (my copy was only 112 pages).
While it is a short book, it is packed with advice on how we should read the Bible and where theology is useful in the church. Bonhoeffer encourages reading the Bible little by little, taking time to really dig into certain passages. One thing that he pointed out is that we have gotten to the point where we are reading the Bible for us and not as being against us (which is not necessarily a good thing). We need to be willing to ask questions, admit that we don't know everything, and seek God's help in understanding His word.
I was talking with a friend in church the other day who mentioned that it is tough to have friends who are always questioning some of the core beliefs of Christianity. I have found, however, that it is much more unfruitful when friends stop questioning what Christianity and the Bible present and take up a passive attitude. Through questioning comes growth, both for the person exploring Christianity and the person who considers themselves to be in a close relationship with God.
I would encourage you to pick up a copy of this book if you can find it. It is a quick read but has tons of great quotes and interesting thoughts.