Act_21:1-9 Christ, after his resurrection, having given
instructions to his apostles, and commanded them to
wait in Jerusalem the coming of the Holy Ghost,
ascendeth into heaven in their sight.
Act_21:10,11 Two angels warn them to depart, and to look for his
second coming.
Act_21:12-14 They return, and give themselves unto prayer.
Act_21:15-26 Peter exhorting to fill up the place of the traitor
Judas, Matthias is chosen by lot to be an apostle.
The former treatise have I made; this refers unto the Gospel wrote by this evangelist, St. Luke, who was undoubtedly the penman of this book, which bears testimony unto and confirms (if need were) that other.
Theophilus; esteemed the same name with Jedidiah, signifying beloved of God, or one that loved God. Who he was is not certain; some have taken the name appellatively. It is evident by the epithet given unto him, Luk_1:3, that he was one of great authority, having the same title which Tertullus gives unto Festus, Act_24:3, and the chief captain unto Felix, Act_23:26. Although not many noble are called, 1Co_1:26, yet God extends his grace unto some of all conditions.
Of all that Jesus began both to do and teach; this is the sum of the Gospel, viz. a history of the life, doctrine, and death of our blessed Saviour; although every particular word or deed of our Saviour's could not be expressed, Joh_21:25, yet the evangelist was faithful in withholding nothing which was necessary for the church to know, and leaving no room for unwritten traditions.