... there are many to whom money has no personal appeal, but who can be tempted by the power it confers.

Where large sums of money are concerned, it is advisable to trust nobody.

Curious things, habits. People themselves never knew they had them. [Witness for the Prosecution, also published in The Hound of Death and Other Stories.]

Life itself is an unsolved mystery", said the clergyman gravely.

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.

In the midst of life, we are in death.

A great many men are mad, and no one knows it. They do not know it themselves