Speech ... is an invention of man's to prevent him from thinking.

Never worry about what you say to a man. They're so conceited that they never believe you mean it if it's unflattering.

What I feel is that if one has got to have a murder actually happening in one's house, one might as well enjoy it, if you know what I mean.

Use that fluff of yours you call a brain.

Downstairs in the lounge, by the third pillar from the left, there sits an old lady with a sweet, placid, spinsterish face and a mind that has plumbed the depths of human iniquity and taken it all as in the day's work....where crime is concerned, she's the goods.

The popular idea that a child forgets easily is not an accurate one. Many people go right through life in the grip of an idea which has been impressed on them in very tender years.

If I were at any time to set out on a career of deceit, it would be of Miss Marple that I should be afraid.