3 Bible Verses about Open Doors

And to the angel of the church in Philadelphia, write: These things says he that is holy, he that is true, he that has the key of David, he that opens and no man shuts, and shuts and no man opens; I know your works: behold, I have set before you an open door that no one is able to shut, because you have a little strength, and have kept my word, and have not denied my name.

for a great and effective door is opened to me, and there are many adversaries.

And when I came to Troas to preach the gospel of the Christ, and a door was opened to me in the Lord,