Acts 1:21-24

Of the men therefore that have companied with us all the time that the Lord Jesus went in and went out among us, beginning from the baptism of John, unto the day that he was received up from us, of these must one become a witness with us of his resurrection. And they put forward two, Joseph called Barsabbas, who was surnamed Justus, and Matthias. And they prayed, and said, Thou, Lord, who knowest the hearts of all men, show of these two the one whom thou hast chosen