Some people suggest that a worldview is like a set of glasses that color the way you see the world around you. A Christian interprets the world one way, and an atheist interprets the same world a completely different way since he's looking through different worldview "glasses."
Greg KouklSometimes (at least in principle) God might allow some evil because doing so will prevent a greater evil, and sometimes He might allow evil because it will produce a greater good.
Greg KouklMan had freedom to choose the good, but this same freedom also allowed him to choose the bad. This is called moral freedom.
Greg KouklWhen we encounter new details of our world we fill in more of the spaces. When we discover details that don't seem to fit with our view of the world, we have a kind of "crisis of faith," even if our worldview is not especially religious. We're forced to redraw our "map" a bit.
Greg Koukl