Many have misunderstood the 'open door' reference in the letter to Philadelphia. It refers to Isaiah 22:15-25, which describes the role of Eliakim the steward.
The modern church of God, particularly a few of its splinter organizations, have made a big deal out of Revelation's letters to the seven churches. Often highlighted is the "open door" promised in the letter to Philadelphia. David Grabbe provides proof from Isaiah 22 that our understanding of this image should be revised to …
When Jesus warns us not to let anyone take our crown, He encourages us to endure over the long-haul and not bask in the glory of a brief, victorious accomplishment.
The Pharisees were missing a sense of proportion, avoiding sin, but not lightening the burdens of their flocks by applying justice, mercy, and faith.
Although Peter was given responsibilities of leadership, as connoted from the rock imagery or symbolism, he was not granted the post of 'vicar of Christ.'