- Ben Steward
What is the relationship between the Old Testament and the New Testament?
What is the basis of Christianity as a religion, worldview, or way of life?
The answer to both of these questions is essentially the same, though how one might answer each could be couched in different terms. Ultimately, I boil it down like this:
God spoke promises and did deeds of creation and salvation in the past (OT) in historical reality. Jesus came teaching truth and philosophy, but also living, dying, and rising in historical reality. The very fabric of the universe was affected and explained by the actions and words of Christ.
This inextricably links the OT texts to the NT texts, because Jesus is able to meet the expectations of the OT on all of its terms, the OT being a historically-oriented document and he being a historically-rooted Messiah.
This provides for Christian believers the foundation upon which they can follow him in every aspect of daily life, since the philosophy (theology) we speak about emerged from real events. It is unchangeably true and profoundly relevant, because it is real.
Much more should be said about this, and perhaps I'll expand this page in the future, but for now, I wanted to put that succinct summary out there for general consideration. I'm also aware that some of these words are "stating the obvious," and that's, well, kind of the point.