We no more forget the faces of our enemies than of those we love.

Many emotions go under the name of love, and almost any one of them will for a while divert the mind from the real, true, and perfect thing.

I try, and I think I succeed, in making my readers feel sorry for my psychopaths, because I do.

I've had two proposals since I've been a widow. I am a wonderful catch, you know. I have a lot of money.

We always know when we are awake that we cannot be dreaming even though when actually dreaming we feel all this may be real.

To say that Agatha Christie’s characters are cardboard cut-outs is an insult to cardboard cut-outs.

It's living - a broad spectrum of living - that teaches you how to live, not philosophy. Philosophy teaches you how to think.