Well, since we're confessing our private doubts, I'll admit that I, too, had a recent moment of uncertainty. I suppose it happens to even the best atheists from time to time. That niggling question: "What if I'm wrong?" or "Could there be more?" Sometimes it's simple circumstances that cause it, as it was for me.
I went for a walk on the nature trail. Gorgeous (at least before the rains flood the ditches and turn the roads to mud). There was sunlight and temperate winds, and I felt renewed after a harsh week at work. The air seemed to have a taste all its own, a good one too. I thought, "Man. Could this have been made? Could some being have formed this?"
Then, I confess, the doubt came because God himself walked up, stole my wallet, and ran off into the woods. And if you think I'm chasing that madman down for twenty bucks, my friend, you are sorely mistaken.