I think to be driven to want to kill must be such a terrible burden.

The trouble with psychology is that it doesn't take human nature into account.

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

I think about death every day - what it would be like, why it would happen to me. It would be humiliating to be afraid.

They say you cannot make a noise to annoy yourself.

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

There are only two periods in a woman's life when she hopes to be taken for older than she is, under sixteen and over ninety.