18:18 bound in heaven. See Matthew 16:19. The commission to bind and loose was for all the disciples, not just Peter.
18:20 in my name. In the context, this statement of Christ indicates that even two or three members, meeting in His name, can constitute a church.
18:20 in the midst. The seven representative churches in Revelation 2 and 3 are also shown with Christ “in the midst” (Revelation 1:13, 20).