Send a Quote Enter a brief message. SendOk2 “The greatest service which can be rendered any country is to add a useful plant to its culture.” ~ Thomas Jefferson (1743-1826), US Founding Father, drafted the Declaration of Independence, 3rd US PresidentSource: Thomas Jefferson to Edward Rutledge, July 14, 1787see: The Library of Congress, http://memory.loc.gov/cgi-bin/ampage?collId=mtj1&fileName=mtj1page007.db&recNum=691