A woman who doesn't lie is a woman without imagination and without sympathy.

As you yourself have said, what other explanation can there be?' Poirot stared straight ahead of him. 'That is what I ask myself,' he said. 'That is what I never cease to ask myself.

Most successes are unhappy. That's why they are successes - they have to reassure themselves about themselves by achieving something that the world will notice.

To count - really and truly to count - a woman must have goodness or brains.

"I think you're begging the question," said Haydock, "and I can see looming ahead one of those terrible exercises in probability where six men have white hats and six men have black hats and you have to work it out by mathematics how likely it is that the hats will get mixed up and in what proportion. If you start thinking about things like that, you would go round the bend. Let me assure you of that!"

I have always admired the Esquimaux (Eskimos). One fine day a delicious meal is cooked for dear old mother, and then she goes walking away over the ice, and doesn't come back.

The simplest explanation is always the most likely.