Arthur Conan Doyle 
Uncle Bernac 

At this unexpected announcement Talleyrand and Berthier looked at each other in silence, and for once the trained features of the great diplomatist, who lived behind a mask, betrayed the fact that he was still capable of emotion. The spasm which passed over them was caused, however, rather by mischievous amusement than by consternation, while Berthier–who had an honest affection for both Napoleon and Josephine– ran frantically to the door as if to bar the Empress from entering.