The Work
The Problem of Pain was published in 1940 by Geoffrey Bles (London) and is C.S. Lewis's first sustained work of Christian apologetics. At approximately 160 pages, it is compact and argued with the precision of a trained Oxford philosopher. Lewis wrote it at the invitation of Ashley Sampson, the editor of the Christian Challenge series, who recognized that Lewis could present Christian doctrine to skeptics in a manner both rigorous and accessible. The book was composed during the opening months of the Second World War, a context that gives its discussion of suffering a particular existential urgency.
Lewis himself was modest about the book's limitations. In the preface he acknowledges that 'pain is sterile' to discuss in the abstract for those who are not experiencing it, and he notes that his personal experience of grief at the time of writing was relatively limited. This caveat was proved correct by subsequent experience: after the death of his wife Joy Davidman in 1960, Lewis wrote A Grief Observed (1961), a raw account of bereavement that reads at times as a counter-testimony to the philosophical composure of The Problem of Pain.
Biblical Engagement
The book's primary scriptural interlocutors are the Book of Job, Romans 8:28, and 2 Corinthians 4:17. Job functions as Lewis's central exhibit for the authenticity of suffering as a theological problem: Job is not suffering because of any personal sin, and his friends' attempts to explain his suffering in terms of moral causation are rebuked by God himself (Job 42:7-8). Lewis draws on this structural feature of the book to reject the most common folk-theological response to suffering - that it is punishment for sin.
Romans 8:28 ('And we know that all things work together for good to them that love God, to them who are the called according to his purpose') is engaged not as a simple comfort but as a claim requiring careful unpacking. Lewis argues that 'good' in this verse does not mean 'pleasant' or 'comfortable' but something closer to what Hebrews 12:11 describes: the 'peaceable fruit of righteousness.' The good that God works through pain is not enjoyment but character - what Lewis calls 'divine surgery,' the painful removal of the tumors of pride, self-sufficiency, and false comfort.
2 Corinthians 4:17 ('For our light and momentary troubles are achieving for us an eternal glory that far outweighs them all') provides the eschatological framework. Lewis follows Paul's reasoning: suffering can only be proportionate if measured against an eternal weight of glory. This is not an evasion but a genuine theological claim - that the meaning of finite suffering is only legible within an infinite frame of reference.
Hebrews 12:11 ('No discipline seems pleasant at the time, but painful. Later on, however, it produces a harvest of righteousness and peace for those who have been trained by it') is the practical heart of Lewis's theodicy. God's goal is not human happiness in the sense of comfort and ease but human holiness - the formation of character through the disciplines of difficulty and loss.
Author and Context
Clive Staples Lewis (1898-1963) was born in Belfast, Northern Ireland, and educated at Oxford. After serving in the First World War, he became a Fellow and Tutor in English at Magdalen College, Oxford, where he remained until 1954, when he was appointed to the newly created Chair of Medieval and Renaissance Literature at Cambridge. Lewis had been an atheist through his twenties and was converted to theism in 1929 and to Christianity in 1931, largely through the influence of his friend J.R.R. Tolkien and through his own prolonged philosophical and literary engagement with the Idealist tradition.
The Problem of Pain was written shortly after Lewis's conversion and represents his first attempt to give a sustained rational account of Christian doctrine to a skeptical audience. The book drew on his Oxford training in philosophy (he had taken Honour Mods and Greats before English) and on his voracious reading in theology, patristics, and medieval literature.
Themes
The book addresses several related questions. Why, if God is omnipotent and wholly good, does pain exist? Lewis's answer proceeds in stages: the concept of an omnipotent being who simply removes all suffering is incoherent, because the meaningful exercise of moral agency requires a stable, predictable world with consequences. The existence of free will requires the possibility of wrong choices, and wrong choices by rational beings capable of injuring one another generate suffering.
Beyond free will, Lewis argues that suffering functions as 'God's megaphone to rouse a deaf world.' The comfortable, self-sufficient person has no felt need of God; suffering strips away the illusion of self-sufficiency and makes the creature available to the Creator. This argument is controversial and Lewis acknowledged its limitations: it does not address the suffering of animals or very young children, and it can sound callous when applied to real grief.
The book's most innovative chapters address divine goodness and human wickedness. Lewis argues that if we take seriously the radical self-centeredness of fallen human nature - which he expounds through Augustine's doctrine of original sin and its philosophical equivalents - then suffering is precisely what we should expect in a world ordered to our redemption rather than our comfort.
Reception
The Problem of Pain was immediately successful and established Lewis as a significant voice in popular Christian apologetics. It led directly to the BBC inviting Lewis to give the radio broadcasts that became Mere Christianity (1952). The book has remained in continuous print and is widely used in university courses on philosophy of religion.
Critics of the book have noted that its tone of philosophical detachment can seem inadequate to the scale of historical suffering - especially in the context of the Holocaust, which was occurring as the book went to press. Jewish philosopher Eliezer Berkovits's Faith After the Holocaust (1973) represents a sustained counter-argument to the theodicy tradition Lewis exemplifies. Lewis's own A Grief Observed represents a kind of self-critique, though Lewis was careful to distinguish between the intellectual problem of theodicy and the existential experience of loss.
Legacy
The Problem of Pain established a genre of accessible philosophical theodicy that has been enormously influential. Its direct successors include Philip Yancey's Where Is God When It Hurts? (1977) and Peter Kreeft's Making Sense Out of Suffering (1986). The book's framework - that God's goal is holiness rather than happiness, and that suffering is the instrument of that formation - has been absorbed into the mainstream of evangelical pastoral theology and continues to shape how pastors and counselors address human suffering.