Word became flesh'-expresses the core of Christianity. A person could probe and dissect it for a lifetime and still not strike bottom. But there are some important things it says to me. First, the Word became flesh so that God can speak to us in language we understand. Others, that an inerrant book dropped from heaven into the lap of their founder.
Astrologers read the truth sketched out in the conformation of heavenly bodies.
There are those who try to get in touch with loved ones on the other side of death. An orphaned child will get precious little comfort from a manual of child care. A medical dictionary is no cure for the seriously ill. The sick person needs to feel the healing touch of doctor and nurse. And, no doctrine of Salvation can release a person imprisoned in a private hell.