(Please read "The 2 Sides of God" before reading this if you haven't as this is part 2)
So the Old Testament reveals God mainly as a holy God and the New Testament reveals Him mainly as a God of love in Jesus Christ. Because He is holy, He is a righteous Judge who has to punish our sins. But because He is also love, He comes down to earth as a man and receives the just punishment Himself on our behalf, so we can be forgiven and cleansed by His blood.
Thanks to the price paid on the cross, we are now back in fellowship with a holy God and we have access to His presence. We are proclaimed "not guilty". Our debt to God has been paid! If it stopped there,