It's no good starting out by thinking one is a heaven-born genius- some people are, but very few. No, one is a tradesman - a tradesman in a good honest trade. You must learn the technical skills, and then, within that trade, you can apply your own creative ideas, but you must submit them to the discipline of form.
Then there are some minor points that strike me as suggestive - for instance, the position of Mrs. Hubbard's sponge bag, the name of Mrs. Armstrong's mother, the detective methods of Mr. Hardman, the suggestion of Mr. MacQueen that Ratchett himself destroyed the charred note we found, Princess Dragomiroff's Christian name, and a grease spot on a Hungarian passport.
Curious things, habits. People themselves never knew they had them. [Witness for the Prosecution, also published in The Hound of Death and Other Stories.]
I was thinking, that when my time comes, I should be sorry if the only plea I had to offer was that of justice. Because it might mean that only justice would be meted out to me.
Do you believe in the value of truth, my dear, or don’t you?” “Of course I believe in the truth,” said Rhoda, staring. “Yes, you say that, but perhaps you haven’t thought about it. The truth hurts sometimes – and destroys one’s illusions.” “I’d rather have it all the same.” said Rhoda. “So would I. But I don’t know that we’re wise.” Mrs. Oliver; Rhoda Dawes