So they proposed two men: Joseph called Barsabbas (also known as Justus) and Matthias.
23. They were to choose one only into the room of Judas; they present two. Here may a question be asked, Why they were not contented with one only? Was it because they were so like, that they could not discern whether was more fit? This truly had been no sufficient reason why they should suffer it to be decided by lots.
The sin of Judas was not only his shame and ruin, but it made a vacancy in the college of the apostles. They were ordained twelve, with an eye to the twelve tribes of Israel, descended from the twelve patriarchs; they were the twelve stars that make up the church's crown (Rev 12:1), and for them twelve thrones were designated, Mat 19:28.
Commenting on Acts 1:15-26
And they appointed two,.... The motion made by Peter was attended to by the whole company; they approved of it, and accordingly proposed two persons by name; one of which was to be chosen, not by the apostles, but by the whole assembly.