Agatha Christie — "Human nature, dear, is very much the same everywhere. It is more difficult to ob…"

"It is my experience that no one, in the course of conversation, can fail to give themselves away sooner or later. Everyone has an irresistible urge to talk about themselves."

"As life goes on it becomes tiring to keep up the character you invented for yourself, and so you relapse into individuality and become more like yourself every day."

"It is the brain, the little gray cells on which one must rely. One must seek the truth within--not without."

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

"I usually get my best ideas when I'm eating an apple."