What is source and exact quote...neither rain, nor whatever will detain these couriers from their appointed..?

Question

Possibly from Thucides or Heroditus (Greek fourth century BCE)

Answer 1

The original saying was actually "Neither snow, nor rain, nor heat, nor gloom of night stays these courageous couriers from the swift completion of their appointed rounds" and was said about 2500 years ago by the Greek historian, Herodotus. He said this adage during the war between the Greeks and Persians about 500 B.C. in reference to the Persian mounted postal couriers whom he observed and held in high esteem.
http://www.phrases.org.uk/bulletin_board/50/messages/267.html

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Cheers,
Bruce

Answer 2

You mean the post office slogan thing. Neither rain, nor snow, nor dark of night will stay these courriers from the swift completion of their appointed duties is pretty close.

Answer 3

DIZZY this staring at THIS Pepsi or Coke? Coke Strawberry or Blueberry? Strawberry Yellow or crimson? Yellow Blue or crimson? Blue Rock or Rap? Rock television or movies? television nighttime or Morning? Morning Kiss or Hug? Hug motorcycle or motor vehicle? motorcycle Up or Down? Up Noise or Silence? Noise Run or walk? RUN Apples or Bananas? the two >.< can now not decide for iciness or summer time? summer time Spring or Fall/Autumn? Spring Chocolate or candy? candy poultry or crimson meat? poultry Left or top? top vegetables or end result? end result Smoke or Drink? NONE >:O different than DRINK WATER chilly or warm? warm Male or lady? lady lengthy or short? relies upon on the object? Halloween or yuletide? yuletide Roses or Lillies? Lilies Love or Hate? Love outdoors or interior? outdoors sparkling or grimy? sparkling undesirable or good? good prosperous or detrimental? prosperous duh 8D Cookies or Cake? Cookies Cats or canines? CANT CHOOOSE Monkeys or Penguins? Penguins Rain or Snow? Snow sunlight or Moon? sunlight Tatoos or Piercings? NONE THEY the two SOUND PAINFUL CDs or Ipods? iPod hotel or hotel? hotel Forks or Spoons? Fork Blonde or Brunette? idk wat brunette is o.o sea coast or Pool? sea coast Drums or Guitars? Drums moist or Dry? Dry Scorpio or Gemini? Gemini Taurus or Libra? Taurus Aries or Aquarius? Aquarius Pisces or maximum cancers? Pisces Sagittarius or Gemini? Sagittarius Leo or Capricorn? Leo Virgo or Aries? Aries