EPICURUS ARGUMENT FROM EVIL
"Is God willing to prevent evil, but not able?
Then he is not omnipotent.
Is he able, but not willing?
Is he both able and willing?
Is he neither able nor willing?
For all it's brevity, it presents one of the most challenging deductive puzzles for theistic philosophers.
An entire field of theology called theodicy has arisen almost solely based on those eight simple sentences