Let us just take into consideration, for a moment, that we are two mortals, with our limited knowledge of the universe, discussing the inner workings of the mind of God.
He works in mysterious ways.
And that's not meant to be a dismissive answer. I'm just acknowledging that he exists at a level beyond our comprehension. He has a plan...it's not our job to understand it, it's our job to believe in him.
- The Walking Dead #63
by Robert Kirkman and Charlie Adlard