How often have I not heard a perfectly intelligent female says, in the tone of one clinching an argument, 'Edgar says -- ' And all the time you are perfectly aware that Edgar is a perfect fool.

Hate doesn't last. Love does.

And yet," said Poirot, "suppose an accident-" "Ah, no, my friend-" "From your point of view it would be regrettable, I agree. But nevertheless let us just for one moment suppose it. Then, perhaps, all these here are linked together - by death.

I admit," I said, "that a second murder in a book often cheers things up." - Hastings

One doesn't recognize the really important moments in one's life until it's too late.

I didn't want to work. It was as simple as that. I distrusted work, disliked it. I thought it was a very bad thing that the human race had unfortunately invented for itself.

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