And come he will, whenever that sense of all-pervading imperfection which exiled him, in its premature attempt to explain itself, to his supernatural Heaven, is realised in man's heart as a desire for better things.

But what will be the signs of his advent?
The philosophy of the Fall is at no loss for an answer to this question.

There was a time when Nature was the mirror of God's face.

But it is so no longer.

The mirror was shattered when Adam fell.