The Son of God is born in you
 
Mensch, schickst du dich darzu,
  Man,              send             you   yourself  thereto,  [loosely: if you apply yourself to it]
     so zeugt Gott Seinen Sohn
        then  generates God    his            son
All Augenblick in dir,
  Every   moment               in   you,
     gleichwie in Seinem Thron.
         just as               in (upon) his       throne.