Book Study · Week 5 of 6

Better Than the Old Covenant

Hebrews 8:1-9:28

The new covenant written on our hearts

Main Point

The law was written on stone and demanded obedience. The new covenant is written on hearts through grace and produces obedience from a transformed inner life.

Application Ideas

External rules and regulations cannot change hearts. Only the grace of God can. Where are you trying to produce spiritual growth through rules? What would it look like to let grace transform you from the inside out?

Discussion Questions

What is the difference between the old and new covenants according to verses 8:10-12? How does the location of God's law (on stone vs. on our heart) affect obedience? What does it mean that God 'remembers our sins no more'?

Detailed Sermon Outline

Primary Text: Hebrews 8:1-9:28

Supporting Texts: Jeremiah 31:31-34; Ezekiel 36:26-27; Exodus 24:3-8

Big Idea: The old covenant was written on stone and demanded obedience; the new is written on hearts and produces it.

Target Length: 35-40 minutes

Introduction

Covenant is not a word most people use at work. But every one of us lives inside agreements — what I owe, what I am owed, what happens if I fail. Scripture says our life with God has that shape too.

The old covenant was not a mistake. It was a real agreement, given by God, sealed with blood, carried in a box, and it did exactly what it was designed to do. What it could not do was change anyone from the inside.

The main point: God has made a new agreement that writes His law where it can actually take hold — on the heart.

I. A Copy and a Shadow (Hebrews 8:1-6; Exodus 24:3-8)

The writer takes us back to the tabernacle, and to the instruction Moses received on the mountain: 'See to it that you make everything according to the pattern shown you.' That one line reframes everything.

The earthly sanctuary was 'a copy and shadow of what is in heaven.' It was real, and it was a model of something realer.
Our High Priest serves 'in the sanctuary, the true tabernacle set up by the Lord, not by a mere human being.' He is not in the copy. He is in the original.
His ministry 'is superior to theirs' because 'the covenant of which he is mediator is superior to the old one.' The Priest and the covenant rise or fall together.

This is worth saying carefully from the pulpit, because people assume the old covenant was a failed experiment God abandoned. It was a shadow — and shadows are cast by something solid.

II. The Promise of a New Heart (Hebrews 8:7-13; Jeremiah 31:31-34; Ezekiel 36:26-27)

Then the writer quotes Jeremiah at length — the longest Old Testament quotation in the New Testament — because the new covenant was not a change of plan. It was promised centuries before Jesus came.

'I will put my laws in their minds and write them on their hearts.' The location changes. Same law, different surface.
'They will all know me, from the least of them to the greatest.' No spiritual class system, no inner circle with better access.
'I will forgive their wickedness and will remember their sins no more.' Not overlooked, not filed away. Deliberately not held against them.

God found fault 'with the people', the writer says — not with the law. Stone tablets could tell the truth; they could not create the desire to keep it. What was needed was not a better rulebook but a different kind of heart.

III. Once, Not Every Year (Hebrews 9:1-28)

Chapter nine walks us through the old sanctuary room by room — lampstand, bread, curtain, ark — and then names the problem the whole arrangement announced every single year.

Only the high priest entered the Most Holy Place, 'and that only once a year, and never without blood.' The rhythm itself preached the distance.
The gifts and sacrifices 'were not able to clear the conscience of the worshipper.' They could cleanse the outside. The guilt stayed.
But Christ 'entered the Most Holy Place once for all by his own blood, thus obtaining eternal redemption.' Once. Not annually. Not again.

So He is 'the mediator of a new covenant', and the letter ends the chapter looking forward: He 'will appear a second time, not to bear sin, but to bring salvation to those who are waiting for him.' The work behind us is finished; the hope ahead of us is certain.

Conclusion & Appeal

Here is where this lands pastorally. Many sincere believers are still trying to produce inner change with outer rules — a stricter schedule, a tighter list, a fresh resolution every January.

Rules can shape behavior for a while. They have never yet changed a want. Only grace does that, and grace is exactly what the new covenant promises: a law written inside, and a memory of sin God has chosen to close.

Where are you trying to grow by regulation? Name it, and then ask for the thing Jeremiah promised instead — not more discipline, but a changed heart. That is the covenant you are actually living under.