With thought, all problems can be resolved.

Poirot," I said. "I have been thinking." "An admirable exercise my friend. Continue it.

You gave too much rein to your imagination. Imagination is a good servant, and a bad master. The simplest explanation is always the most likely.

The past is the father of the present.

She was a lucky woman who had established a happy knack of writing what quite a lot of people wanted to read.

An archaeologist is the best husband a woman can have. The older she gets the more interested he is in her.

there is evil everywhere under the sun.