An Open Door
“I know thy works: behold, I have set before thee an open door, and no man can shut it: for thou hast a little strength, and hast kept my word, and hast not denied my name.” (Rev 3:8 KJV)
The open door is metaphoric of heaven. The fact that no one can shut the door shows that no one can take away your salvation. The Church of Philadelphia was the closest to what Jesus had in mind of the model Church. The door of heaven is open to the Church of Philadelphia
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