What alchemy there was in human beings. - Agatha Christie

... people are never like what you remember them. You make them, as the years go by, more and more the way you wish them to be, and as you think you remember them. If you want to remember them as agreeable and gay and handsome, you make them far more so than they actually were.

"My friend, in working upon a case, one does not take into account only the things that are "mentioned". There is no reason to mention many things which may be important. Equally, there is often an excellent reason for not mentioning them."

Miss Marple is a white-haired old lady with a gentle appealing manner- Miss Wetherby is a mixture of vinegar and gush. Of the two Miss Marple is the more dangerous.