Ah, this is obviously some strange usage of the word 'safe' that I wasn't previously aware of.

Douglas Adams

About Douglas Adams

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Douglas Noel Adams (11 March 1952 – 11 May 2001) was an English author, humourist, and screenwriter, best known as the creator of The Hitchhiker's Guide to the Galaxy (HHGTTG). Originally a 1978 BBC radio comedy, The Hitchhiker's Guide to the Galaxy developed into a "trilogy" of five books which...

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