How absurd to call youth the time of happiness–youth, the time of greatest vulnerability! - Agatha Christie

One forgets how human murderers are.

I was wrong about that young man of yours. A man when he is making up to anybody can be cordial and gallant and full of little attentions and altogether charming. But when a man is really in love he can't help looking like a sheep. Now, whenever that young man looked at you he looked like a sheep. I take back all I said this morning. It is genuine.

Motives for murder are sometimes very trivial, Madame.” “What are the most usual motives, Monsieur Poirot?” “Most frequent — money. That is to say, gain in its various ramifications. Then there is revenge — and love, and fear, and pure hate, and beneficence — ” “Monsieur Poirot!” “Oh, yes, Madame. I have known of — shall we say A? — being removed by B solely in order to benefit C. Political murders often come under the same heading. Someone is considered to be harmful to civilization and is removed on that account. Such people forget that life and death are the affair of the good God.