The world doesn't come to the clever folks, it comes to the stubborn, obstinate, one-idea-at-a-time people.

The mystery story is two stories in one: the story of what happened and the story of what appeared to happen.

Patience and endurance were not virtues in a woman; they were necessities, forced on her. Perhaps some day things would change and women would renounce them. They would rise up and say: 'We are not patient. We will endure no more.' Then what would happen to the world?

Lightning never strikes twice in the same place.

Men love a joke - on the other fellow. But your really humorous woman loves a joke on herself.

Suspicion is like the rain. It falls on the just and on the unjust.

These are times of action. Men think and then act; sometimes, indeed, they simply act.