One thing I often see in witnessing to unbelievers (particularly atheist ones) is a rejection of the existance of a loving God because of all of the evil in the world the He seems to permit.
How does one rebut that? Do we just say, “Because Adam fell”? Do that and the unbeliever will typically start throwing evolution at you and the discussion goes nowhere.
I usually try to approach it from the other direction and start with Jesus. That works better, but then I get asked why a loving God would still permit all this terrible evil everywhere. How would you answer that?
My reply to evil existing in the world is, what kind of world would you like there to be? A utopia, where there is no pain, no labor, no poverty, no hills to climb, nothing to accomplish? No challenges?
All of the best qualities of humans require that evil or suffering or challenge exist. Name a quality that you admire in humans. Courage, for example. Courage only exists in the face of adversity, whether it be war, serious health issues or a threat to one’s self or another.
Compassion can only exist where another is in pain or need. Healing can only exist where there is sickness or injury. No good quality of man can exist without suffering in the world. God makes us capable of good, but doing good is of no value if it cannot be chosen from the possibility of doing wrong.