"I think you're begging the question," said Haydock, "and I can see looming ahead one of those terrible exercises in probability where six men have white hats and six men have black hats and you have to work it out by mathematics how likely it is that the hats will get mixed up and in what proportion. If you start thinking about things like that, you would go round the bend. Let me assure you of that!"

Many years ago, when I was once saying sadly to Max it was a pity I couldn't have taken up archaeology when I was a girl, so as to be more knowledgeable on the subject, he said, 'Don't you realize that at this moment you know more about prehistoric pottery than any woman in England?'

There is no question of defence. I have always acted in accordance with the dictates of my conscience. I have nothing with which to reproach myself.

I am not one to rely upon the expert procedure. It is the psychology I seek, not the fingerprint or the cigarette ash.

Everything has got its right size. When it is its right size and well run it's the tops.

Good advice is always certain to be ignored, but that's no reason not to give it.

I know nothing about pistols and revolvers, which is why I usually kill off my characters with a blunt instrument or better with poisons. Besides, poisons are neat and clean and really exciting... I do not think I could look a really ghastly mangled body in the face. It is the means that I am interested in. I do not usually describe the end, which is often a corpse.