Gellert did not disguise the expression of incredulity that laced itself across his features. I thought that you were someone else. After all of this? Surely this...Albus did not expect Gellert to actually believe such an excuse.
"No," Gellert said, taking a step forward even as Albus retreated, maintaining that close, familiar distance that had existed between them. "No, you know me. And if you know me, the you also know that I am not an imbecile--and you know better than to think a shallow explanation like that would be at all sufficient.
"You're from the future, yes?" As if as much was not already clear from the context of their conversation. "My future, anyway. When? What year?" Perhaps Albus was precisely the source of information for which Gellert had been looking, regardless of his apparently inherent distrust of Gellert.