... nothing is so boring as devotion.

You want beauty,' said Hercules Poirot. 'Beauty at any price. For me, it is truth. I want always truth.

Instinct is a marvelous thing. It can neither be explained nor ignored.

Achievement brings with it its own anticlimax.

I live now on borrowed time, waiting in the anteroom for the summons that will inevitably come. And then - I go on to the next thing, whatever it is. One doesn't, luckily, have to bother about that.

the detective's highest talent lay in the gentle art of seeking favours under the guise of conferring them!

When a man is really in love he can't help looking like a sheep.