One of the chief charges against Christianity is the problem of evil. One of the ways I have answered this objection is to simply point out that the problem of evil is not just a problem for Christians, it is a human problem. The question is, who has the best answers to this problem?
I encourage you to go and read this post by Petar Nenadov on a recent Tony Blair / Christopher Hitchens debate. These two sentences need the context of the whole blog post to make sense, but I'm going to post them here to highlight them and to encourage you to go and read the whole thing:
"If good means nice or safe, then none of these topics is good for the world. If good means true or real, then we must address them."