Everything You Ever Need To Know About Life...

 ... you can learn from:

Death on the Nile (1978)

Rosalie: Somehow, I don't think Monsieur Poirot 

is a very keen reader of romantic novels, Mother. 

Mrs Otterbourne: Well, of course he is! 

All Frenchmen are. They're not afraid of good, strong sex!

The grand Dame Angela Lansbury was born 100 years ago.