Where do one's fears come from? Where do they shape themselves? Where do they hide before coming out into the open?

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.

From an early age I knew very strongly the lust to kill.

It's no good starting out by thinking one is a heaven-born genius- some people are, but very few. No, one is a tradesman - a tradesman in a good honest trade. You must learn the technical skills, and then, within that trade, you can apply your own creative ideas, but you must submit them to the discipline of form.

It is odd how, when you have a secret belief of your own which you do not wish to acknowledge, the voicing of it by someone else will rouse you to a fury of denial.

When the fact doesn't meet the theory then let go the theory.

The whole thing was like a nine-month ocean voyage to which you never got acclimatized.