Sin is when we worship our own will (desires) instead of God's. This is what separates us from God. We need a way to bridge the gap. Worship is when we have a relationship with God. To be able to get back that perfect relationship, sin had to be taken away. Sin kills this relationship. Worship helps bring it back. But there is still a separation. Only total atonement for sin can do that. In the OT, it was through sacrifice. But the New Covenant makes Jesus Christ the atonement, or sacrifice.
Eden was God's place on Earth. It was the place that God put His most prized possession, man. It was a place where God went to man to speak with him, to be with him. But Adam sinned. Sin cause man to be thrown out of God's place.
When Adam sinned, he tried to hide his sin by "covering" himself with a fig leaf. This was not good enough. God gave him a new covering; one made with skin of an animal. An animal had to die and the shedding of blood had to happen to cover us completely. Christ died and His blood now covers us. (Genesis 2:25-3:24)
Why blood? Because as in Hebrews 9:22, blood is a life force. When we died through Adam our blood line to God was cut. To get that blood line back, blood (innocent) has to be shed. In the Tabernacle days, it was through a spotless lamb; one without blemish. If they sacrificed an animal that was already dying or defective, what good would it have done? What would it have proven? Sacrificing a pure lamb showed that they could give up something so valuable in order to show their feelings to God. Do not worry, the animal is God's. Rest assured that the lamb was taken cared of. In the New Tabernacle, which is you, we do not have to sacrifice anymore. Christ is the lamb.
Worship involves sacrifice. It costs. When Cain sacrificed his offerings to the Lord he only gave some of it. When Abel sacrificed he gave the first fruits of his labor. He gave the best portions of what he had. Cain did not really sacrifice anything. Abel did. (Genesis 4:1-5) True sacrifice also means we have to be obedient. Obedience sometimes cause us to give up things we desire in order to get the things He desires for us. The bigger the sacrifice the larger act of worship it is. King David said in 1 Chronicles 21:24
- 24 I will not sacrifice a burnt offering that costs me nothing.
David knew the real meaning behind worship. Is it any wonder why God had David write all of his Psalms? Worship is the connection that keeps us near to God. It allows us to be close to Him. It brings us back to "Eden", paradise. The Tabernacle was the place for worship. It was ordained by God with specific instructions and emblems. Each emblem had its own purpose and foreshadowed what the Christ would be for us. The Tabernacle was a physical place that was built so that God could exist with man again. But it had to be made holy. Even within the Tabernacle itself there were parts that God would not be present for not all of it was holy.