"It is human to question," he admitted sagely, voice quiet and attempting to be reassuring. "Humans were given the ability to understand Good and Evil and to make a choice. They have Free Will," which posed an interesting question regarding Her Plan and humans' position in it. If people were capable of mistakes and decisions of their own, was everything meant or did everything just naturally hit an equilibrium that was in line with Her Plan. And THAT was a line of questioning that Aziraphale should not want to ponder. "They are a curious lot with the imperative to ask why. It is how they learn about their world.

"In any case," and he shouldn't be saying this, either, but here he was tempting fate, "sometimes it is necessary to question orders, rather than accept them blindly."