I say, I don’t think the human frame is very thoughtfully constructed for this sleuthhound business. If one could go on all fours, or had eyes in ones knees, it would be a lot more practical’… ‘What luck! Here’s a deep, damp ditch on the other side, which I shall now proceed to fall into.’ A slithering crash proclaimed that he had carried out his intention.

It's very good of you--" "No, no, not at all. It's my hobby. Not proposing to people, I don't mean, but investigating things. Well, cheer-frightfully-ho and all that. And I'll call again, if I may." "I will give the footman orders to admit you," said the prisoner, gravely, "you will always find me at home.

I know what you're thinking - that anybody with proper sensitive feelings would rather scrub floors for a living. But I should scrub floors very badly, and I write detective stories rather well. I don't see why proper feelings should prevent me from doing my proper job.

The young were always theoretical; only the middle-aged could realize the deadliness of principles.

Some people's blameless lives are to blame for a good deal.

It is fatal to let people suppose that Christianity is only a mode of feeling; it is vitally necessary to insist that it is first and foremost a rational explanation of the universe.

The only Christian work is good work, well done