The Impact of the Holy Spirit in the Old Testament on Preaching

The New Testament theology, it's a series in New Testament theology from the manger to the throne by Benjamin Glad. Rich: We're going to be greatly helped in our preaching through the New Testament if we have a robust understanding of Genesis 3.15. How are we to think about the work of the Holy Spirit in applying salvation under the Old Testament as compared to the New Testament?Rich: There is a sense in which the New Covenant is the age of the Spirit, yes, but was the Spirit of God active under theOld Testament? The liberty of Christians is further and large.