There are many things that are unbelievable. Especially before breakfast, is it not? That is what one of your classics says. Six impossible things before breakfast.

Ideas are like everything else. They've got to be marketed.

I suppose without curiosity a man would be a tortoise. Very comfortable life, a tortoise has.

Best of an island is once you get there - you can't go any farther...you've come to the end of things.

One of us in this very room is in fact the murderer.

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.

Coffee in England always tastes like a chemistry experiment.