Treasury of Scripture Knowledge
so they went on through Mysia and came down to Troas, [i.e., a seaport on the Aegean Sea, from which they sailed over to Europe].
After the commotion died down, Paul sent for the [Ephesian] disciples and encouraged them before he left, [heading west] for Macedonia.
And when they arrived [in Antioch of Syria], they gathered the church together and reported everything that God had done through them and how He had opened a door [of opportunity] for the [unconverted] Gentiles to [enter] the faith.
1 Corinthians 16:9
because a great door [of opportunity] has opened up to me [here] for doing an effective work [for God], but there are [also] many enemies who oppose me. [See Acts 19].
At the same time, pray for us also, that God will open up a door [of opportunity] for [proclaiming] the message, so we can tell about the [previously] hidden secret of Christ, for which I have also been imprisoned.
"And write [this] to the angel of the church at Philadelphia: These are the words of Him who is holy and true, [and] who possesses the key [i.e., the power and authority] of King David, [and] who opens [a door] which no one will close, and who closes one that no one will open: