“God is as just as He is merciful.”

Hell Is the Absence of God; first appeared in Starlight 3, 2001.
Stories of Your Life and Others (2002)

What Must We Do To Be Saved? (1880) http://www.gutenberg.org/files/38801/38801-h/38801-h.htm Section XI, "What Do You Propose?"
Context: I have made up my mind that if there is a God, he will be merciful to the merciful.
Upon that rock I stand.
That he will not torture the forgiving.
Upon that rock I stand.
That every man should be true to himself, and that there is no world, no star, in which honesty is a crime.
Upon that rock I stand.
The honest man, the good woman, the happy child, have nothing to fear, either in this world or the world to come.
Upon that rock I stand.

Variant: God is full of mercy for everyone, as He has been towards you. He is a father before He is a judge.
Source: The Count of Monte Cristo

[Baqir Sharīf al-Qurashi, The life of Imam Muhammad al-Jawad, Wonderful Maxims and Arts, 2005]

Source: Night-Thoughts (1742–1745), Night IV, Line 233.

Letter X
The Nemesis of Faith (1849)
Context: I will be candid. I believe God is a just God, rewarding and punishing us exactly as we act well or ill. I believe that such reward and punishment follow necessarily from His will as revealed in natural law, as well as in the Bible. I believe that as the highest justice is the highest mercy, so He is a merciful God. That the guilty should suffer the measure of penalty which their guilt has incurred, is justice. What we call mercy is not the remission of this, but rather the remission of the extremity of the sentence attached to the act, when we find something in the nature of the causes which led to the act which lightens the moral guilt of the agent. That each should have his exact due is Just — is the best for himself. That the consequence of his guilt should he transferred from him to one who is innocent (although that innocent one he himself willing to accept it), whatever else it be, is not justice. We are mocking the word when we call it such. If I am to use the word justice in any sense at all which human feeling attaches to it, then to permit such transfer is but infinitely deepening the wrong, and seconding the first fault by greater injustice. I am speaking only of the doctrine of the atonement in its human aspect, and as we are to learn anything from it of the divine nature or of human duty.

Thomas Edison ""No Immortality of the Soul" says Thomas A. Edison. In Fact, He Doesn't Believe There Is a Soul — Human Beings Only an Aggregate of Cells and the Brain Only a Wonderful Machine, Says Wizard of Electricity". New York Times. October 2, 1910
1910s

Source: Dictionary of Burning Words of Brilliant Writers (1895), P. 85.

Fab. IX: Of the Lyon and the Mouse, Moral
The Fables of Aesop (2nd ed. 1668)