“I never travel without my diary. One should always have something sensational to read in the train.”

“I keep a diary in order to enter the wonderful secrets of my life. If I didn't write them down, I should probably forget all about them.' 'Memory, my dear Cecily, is the diary that we all carry about with us.”

“My friend is not allowed to go out today. I sit by his side and read him passages from his own life. They fill him with surprise. Everyone should keep someone else's diary; I sometimes suspect you of keeping mine.”

“It was not intended as a compliment. It was a confession. Now that I have made it, something seems to have gone out of me. Perhaps one should never put one's worship into words.”

“One should always be in love. That's the reason one should never marry.”

“I should fancy, however, that murder is always a mistake. One should never do anything that one cannot talk about after dinner.”

“Memory is the diary that chronicles things that never happened or couldn't possibly have happened.”