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(straight) from the horse's mouth

Posted by R. Berg on December 17, 2002

In Reply to: (straight) from the horse's mouth posted by Leslie on December 17, 2002

: Hi,
: Could you please tell me the origin of this phrase? Why is horse related to "reliable source of information"? Thanks a lot.

From racing. A talking horse would be an excellent source of information for someone placing a bet on a horse race.

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