You don't realize what fine fighting material there is in age. ... You show me any one who's lived to over seventy and you show me a fighter - some one who's got the will to live.

You are the patient one, Mademoiselle,' said Poirot to Miss Debenham. She shrugged her shoulders slightly. 'What else can one do?' You are a philosopher, Mademoiselle.' That implies a detached attitude. I think my attitude is more selfish. I have learned to save myself useless emotion.

I'm sure you have a theme: the theme of your life. You can embellish it or desecrate it, but it's your theme, and as long as you follow it, you will experience harmony and peace of mind.

Difficulties are made to be overcome ~ Miss Felicity Lemon, Agatha Christie's Poirot: The Plymouth Express

I don't think necessity is the mother of invention. Invention, in my opinion, arises directly from idleness, possibly also from laziness - to save oneself trouble.

The point is that one's got an instinct to live. One doesn't live because one's reason assents to living. People who, as we say, 'would be better dead' don't want to die! People who apparently have everything to live for just let themselves fade out of life because they haven't got the energy to fight.

there is no fanatic like a religious fanatic.