will-he
Explanation
The Joke
The comic explores a classic theological paradox about free will and divine omnipotence. A person asks God two questions: "Are you all powerful?" (Yes) and "Do you have complete free will?" (Of course). The person then reasons that since no human could be more powerful than God, they will use their own free will to defy God in every way possible -- never going to church, mocking worship, and sinning as much as humanly possible. The implication is that if humans truly have free will, God cannot (or should not) stop them.
A few decades later, the man has been transformed into a potato, having clearly lost the contest of wills. God, exasperated, tells him to just start being good already. The punchline reveals that while the man technically had free will, God's omnipotence means He can simply override any human defiance with absurd punishments -- turning someone into a potato being the ultimate trump card.
The Humor
The comedy arises from the collision of two cherished theological concepts -- human free will and divine omnipotence -- that do not sit easily together. The man tries to use logical reasoning to exploit the apparent contradiction, but God resolves the paradox in the most blunt and undignified way possible: by turning the man into a potato. The absurdity of the punishment (not hellfire, not smiting, but potato-ification) undercuts the seriousness of the philosophical debate. It also plays on the recurring SMBC theme of God being petty, annoyed, and all too human in His reactions.
References
The comic engages with the theological problem of divine omnipotence versus human free will, a central issue in philosophy of religion. If God is all-powerful, can humans truly have free will? And if humans have free will, does that limit God's power? This is related to the broader "Problem of Evil" and has been debated by theologians including Augustine, Thomas Aquinas, and Alvin Plantinga.