3 Bible Verses about Open Doors

And to the angel of the church in Philadelphia write, These things saith the holy One, He that is true, He that hath the key of David, He that openeth and no one shutteth, and shutteth and no one openeth: I know thy works, and behold I have given thee an open door, and no one shall be able to shut it; for thou hast a little strength, and hast kept my word, and hast not denied my name.

though there are many opposers.

So that when I came to Troas on account of the gospel of Christ, and a door was opened to me in the Lord,