"Never tell all you know—not even to the person you know best."

"Everybody always knows something, even if it's something they don't know they know."

"I have been so happy, so blessed, so fortunate, that I sometimes think I must have a guardian angel."

"I have enjoyed greatly the second blooming that comes when you finish the life of the emotions and of personal relations; and suddenly find — at the age of fifty, say — that a whole new life has opene…"

"I have always been a great admirer of Hercule Poirot."