Never tell all you know—not even to the person you know best.
—Agatha Christie in The Secret Adversary
About Agatha Christie
Dame Agatha Mary Clarissa Christie, Lady Mallowan, (née Miller; 15 September 1890 – 12 January 1976) was a British author 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...
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Good advice is always certain to be ignored, but that's no reason not to give it.
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More quotations tagged with “secrecy”
The charitable acts that count the most are those done without anyone knowing.
—Elin Hilderbrand in The Perfect Couple