Yet there shall be a space between you and it, about two thousand cubits by measure: don't come near to it, that you may know the way by which you must go; for you have not passed this way heretofore.
Yes, God's grace took them over, all right, but note the part that Israel themselves played in this tremendous blessing.  (See further comment on sanctification in this series, Vol. 2, Exodus, pp. 160,261.)