... Obsessions Are Always Dangerous.

Poirot," I Said. "i Have Been Thinking." "an Admirable Exercise My Friend. Continue It.

I've A Theory That One Can Always Get Anything One Wants If One Will Pay The Price. And Do You Know What The Price Is, Nine Times Out Of Ten? Compromise.

Many Years Ago, When I Was Once Saying Sadly To Max It Was A Pity I Couldn't Have Taken Up Archaeology When I Was A Girl, So As To Be More Knowledgeable On The Subject, He Said, 'don't You Realize That At This Moment You Know More About Prehistoric Pottery Than Any Woman In England?'

Every Murderer Is Probably Somebody's Old Friend.

One Of The Oddest Things In Life, As We All Know, Is The Way That When You Have Heard A Thing Mentioned, Within Twenty-four Hours You Nearly Always Come Across It Again.