The Works of Dionysius the Areopagite/On the Heavenly Hierarchy/Caput XIV

by Pseudo-Dionysius the Areopagite

What the traditional number of the Angels signifies.

  This also is worthy, in my opinion, of intellectual attention, that the
  tradition of the Oracles concerning the Angels affirms that they are
  thousand thousands, and myriad myriads, accumulating and multiplying,
  to themselves, the supreme limits of our numbers, and, through these,
  shewing clearly, that the ranks of the Heavenly Beings cannot be
  numbered by us. For many are the blessed hosts of the supermundane
  minds, surpassing the weak and contracted measurement of our material
  number, and being definitely known by their own supermundane and
  heavenly intelligence and science alone, which is given to them in
  profusion by the supremely Divine and Omniscient Framer of Wisdom, and
  essentiating Cause and connecting Force, and encompassing Term of all
  created things together.