Benjamin Franklin (1987). “Poor Richard's Almanack: Being the Choicest Morsels of Wisdom, Written During the Years of the Almanack's Publication”, p.14, Peter Pauper Press, Inc.
"Advice to a Young Tradesman, Written by an Old One" by Benjamin Franklin and D. Hall, printed in George Fisher "The American Instructor: or Young Man’s Best Companion" (pp. 375-377), founders.archives.gov. July 21, 1748.
George Washington (1835). “The writings of George Washington: being his correspondence, addresses, messages, and other papers, official and private, selected and published from the original manuscripts; with a life of the author, notes, and illustrations”, p.374