Passenger to Frankfurt - Agatha Christie

Introductions were made. Dr. Reichhardt was a large and comfortably-looking  man with the habit of saying "Ach so" from time to time.

"Dr Reichhardt is in charge of a large establishment in the neighbourhood of Karlsruhe. He treats there mental patients. I think I am correct in saying that you treat there between five and six hundred patient, am I not right?"

"Ach, so," said Dr. Reichardt.




I´m so sorry, but this made me laugh so hard. It might be the wine, though ;)