On my underground railroad I never ran my train off the track. And I never lost a passenger.
Source: In Harriet Tubman: The Moses of Her People, by Sarah H. Bradford, 1886.
-- Harriet Tubman, ( c.1820-1913), US abolitionist, emancipator; Moses of Her People escaped slavery at the age 25, but returned to the South 19 times to spirit 300 people to Canada on the Underground Railroad.