The detective's ambition

          "Thank you, Mr. Chan," Lofton replied. "You seem an understanding person. I'm inclined to think I underrated you when we met."

          Charlie smiled. "That is customary. I do not let it distress me. My object is to arrange so people are not still underestimating me when we part."

(from Charlie Chan Carries On, by Earl Derr Biggers)