Moral Depravity.
VIII. Let us consider the proper method of accounting for the universal and total moral depravity of the unregenerate moral agents of our race. In the discussion of this subject, I will-- 1. Endeavor to show how it is not to be accounted for. In examining this part of the subject, it is necessary to have distinctly in view that which constitutes moral depravity. All the error that has existed upon this subject, has been founded in false assumptions in regard to the nature or essence of moral depravity. …
Charles Grandison Finney—Systematic Theology

The Redeemer's Return is Necessitated by the Lamentation of all Creation.
The effects of the Fall have been far-reaching--"By one man sin entered the world"(Rom. 5:12). Not only was the entire human family involved but the whole "Kosmos" was affected. When Adam and Eve sinned, God not only pronounced sentence upon them and the Serpent but He cursed the ground as well--"And unto Adam He said, Because thou hast hearkened unto the voice of thy wife, and hast eaten of the tree, of which I commanded thee, saying, Thou shalt not eat of it, Cursed is the ground for thy sake; …
Arthur W. Pink—The Redeemer's Return

Whether There is Hope in the Damned
Whether there is Hope in the Damned We proceed to the third article thus: 1. It seems that there is hope in the damned. For the devil is damned, and the prince of the damned, according to Matt. 25:41: "Depart from me, ye cursed, into everlasting fire, prepared for the devil and his angels." Yet the devil has hope, according to Job 41:9: "Behold, the hope of him is in vain." It seems, therefore, that the damned have hope. 2. Again, just as faith can be formed and unformed, so can hope. Now there can …
Aquinas—Nature and Grace