"The wilderness and the solitary place shall be glad for them; and the desert shall rejoice and blossom as the rose. It shall blossom abundantly, and rejoice even with joy and singing. The glory of Lebanon shall be given unto it, the excellency of Carmel and Sharon." [Isa. 35:1, 2.]
Of the animal creation, he says:
"The wolf also shall dwell with the lamb, and the leopard shall lie down with the kid; and the calf and the young lion, and the fatling together, and a little child shall lead them." [Isa. 11: 6.]
It may undoubtedly be said of these, and other similar passages, that they are figurative. But it will be found, in the end, that the truth which they anticipate and predict will exceed the beauty of the picture, as it existed in the imagination of the prophetic poet. When the head of creation resumes his nature of holy love, the untamed and violent passions of the inferior members will become extinct. And the earth herself, as if conscious of the mighty change, will withdraw her thorns and crown herself with roses.
— edited from A Treatise on Divine Union (1851) Part 7, Chapter 3.