Dame Agatha Mary Clarissa Christie, Lady Mallowan, (née Miller; 15 September 1890 – 12 January 1976) was an English writer known for her 66 detective novels and 14 short story collections, particularly those revolving around fictional detectives Hercule Poirot and Miss Marple. She also wrote the world's longest-running play, The Mousetrap, which was performed in the West End from 1952 to 2020, as well as six novels under the pseudonym Mary Westmacott. In 1971, she was made a Dame (DBE) for her contributions to literature. Guinness World Records lists Christie as the best-selling fiction writer of all time, her novels having sold more than two billion copies.
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We owe most of our great inventions and most of the achievements of genius to idleness — either enforced or voluntary. The human mind prefers to be spoon-fed with the thoughts of others, but deprived of such nourishment it will, reluctantly, begin to think for itself — and such thinking, remember, is original thinking and may have valuable results.
I began to see what marriage is for. It's to keep people away from each other. Sometimes I think that two people who love each other can be saved from madness only by the things that come between them — children, duties, visits, bores, relations: the things that protect married people from each other.