Can you state the origin of this folklore "If you hear hoofbeats, think horses not zebras.''?(go to details)?

This is one of the true Mythology & Folklore questions I will post this day. I will give best answers, but I will ignore urls except as Sources. Can you state the origin of " If you hear hoofbeats, think horses not zebras.'' and who took credit for putting it into scientific language without giving... show more This is one of the true Mythology & Folklore questions I will post this day. I will give best answers, but I will ignore urls except as Sources.

Can you state the origin of " If you hear hoofbeats, think horses not zebras.'' and who took credit for putting it into scientific language without giving any credit to the earlier words of the same theory?
Update: Hint: Hippocrates
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