The Bible is where most will first learn about the testimonies, prophecies, and revelations of the men and women who once were. The Bible illustrates the Way of JESUS in enough detail that one can begin to learn what is expected of them in order to receive the gift of eternal life.
However; the deceptive nature of the world is continuously adapting to the changes of the age. Now the written text does not get regular revisions. It would be naive to think that all the issues of today could be resolved from Biblical text alone.
The Bible is an introduction and JESUS Is the conclusion.