Revelation 3:8
3:8 ‘I know your deeds. (Look! I have put in front of you an open door that no one can shut.) I know that you have little strength, but you have obeyed my word and have not denied my name.
Revelation 4:1
The Amazing Scene in Heaven
4:1 After these things I looked, and there was a door standing open in heaven! And the first voice I had heard speaking to me like a trumpet said: “Come up here so that I can show you what must happen after these things.”