In my end is my beginning - that's what people are always saying. But what does it mean?

I have wanted . . . to commit a murder myself. I recognized this as the desire of the artist to express himself! . . . But-incongruous as it may seem to some-I was restrained and hampered by my innate sense of justice. The innocent must not suffer.

Poirot said placidly, “One does not, you know, employ merely the muscles. I do not need to bend and measure the footprints and pick up the cigarette ends and examine the bent blades of grass. It is enough for me to sit back in my chair and think. It is this – ” he tapped his egg-shaped head – “this, that functions!

Every murderer is probably somebody's old friend.

The tragedy of life is that people do not change.

Until one looks back on one's own past one fails to realise what an extraordinary view of the world a child has.

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.