“One's own troubles sharpen one's eyes sometimes.”

“One must make one's own mistakes”

“There are more important things than finding the murderer. And justice is a fine word, but it is sometimes difficult to say exactly what one means by it. In my opinion, the important thing is to clear the innocent. - Hercule Poirot”

“I believe, Messieurs, in loyalty---to one's friends and one's family and one's caste.”

“These blondes, sir, they're responsible for a lot of trouble.”

“One of the saddest things in life, is the things one remembers.”

“One is alone when the last one who remembers is gone.”