Acts 1:21

Overview - Acts 1
Christ, preparing his apostles to the beholding of his ascension, gathers them together unto the mount Olivet, commands them to expect in Jerusalem the sending down of the Holy Ghost, promises after a few days to send it, and ascends into heaven in their sight.
10 After his ascension they are warned by two angels to depart, and to set their minds upon his second coming.
12 They accordingly return, and, giving themselves to prayer, choose Matthias apostle in the place of Judas.
Treasury of Scripture Knowledge

Acts 1:21  (King James Version)
Wherefore of these men which have companied with us all the time that the Lord Jesus went in and out among us,

Luke 10:1 Luke 10:2 ; John 15:27

Numbers 27:17 ; Deuteronomy 31:2 ; 2 Samuel 5:2 ; 1 Kings 3:7 ; John 10:1-9