This subject was not understood by Adventists in 1844. After the passing of the time when the Saviour was expected, they still believed His coming to be near; they held that they had reached an important crisis and that the work of Christ as man’s intercessor before God had ceased. It appeared to them to be taught in the Bible that man’s probation would close a short time before the actual coming of the Lord in the clouds of heaven. This seemed evident from those scriptures which point to a time when men will seek, knock, and cry at the door of mercy, and it will not be opened. And it was a question with them whether the date to which they had looked for the coming of Christ might not rather mark the beginning of this period which was immediately to precede His coming. Having given the warning of the judgment near, they felt that their work for the world was done, and they lost their burden of soul for the salvation of sinners, while the bold and blasphemous scoffing of the ungodly seemed to them another evidence that the Spirit of God had been withdrawn from the rejecters of His mercy. All this confirmed them in the belief that probation had ended, or, as they then expressed it, “the door of mercy was shut.” (GC 429.1) MC VC

But clearer light came with the investigation of the sanctuary question. They now saw that they were correct in believing that the end of the 2300 days in 1844 marked an important crisis. But while it was true that that door of hope and mercy by which men had for eighteen hundred years found access to God, was closed, another door was opened, and forgiveness of sins was offered to men through the intercession of Christ in the most holy. One part of His ministration had closed, only to give place to another. There was still an “open door” to the heavenly sanctuary, where Christ was ministering in the sinner’s behalf. (GC 429.2) MC VC

Now was seen the application of those words of Christ in the Revelation, addressed to the church at this very time: “These things saith He that is holy, He that is true, He that hath the key of David, He that openeth, and no man shutteth; and shutteth, and no man openeth; I know thy works: behold, I have set before thee an open door, and no man can shut it.” Revelation 3:7, 8. (GC 430.1) MC VC

It is those who by faith follow Jesus in the great work of the atonement who receive the benefits of His mediation in their behalf, while those who reject the light which brings to view this work of ministration are not benefited thereby. The Jews who rejected the light given at Christ’s first advent, and refused to believe on Him as the Saviour of the world, could not receive pardon through Him. When Jesus at His ascension entered by His own blood into the heavenly sanctuary to shed upon His disciples the blessings of His mediation, the Jews were left in total darkness to continue their useless sacrifices and offerings. The ministration of types and shadows had ceased. That door by which men had formerly found access to God was no longer open. The Jews had refused to seek Him in the only way whereby He could then be found, through the ministration in the sanctuary in heaven. Therefore they found no communion with God. To them the door was shut. They had no knowledge of Christ as the true sacrifice and the only mediator before God; hence they could not receive the benefits of His mediation. (GC 430.2) MC VC

The condition of the unbelieving Jews illustrates the condition of the careless and unbelieving among professed Christians, who are willingly ignorant of the work of our merciful High Priest. In the typical service, when the high priest entered the most holy place, all Israel were required to gather about the sanctuary and in the most solemn manner humble their souls before God, that they might receive the pardon of their sins and not be cut off from the congregation. How much more essential in this antitypical Day of Atonement that we understand the work of our High Priest and know what duties are required of us. (GC 430.3) 1 I MC VC