Paraphrase of a well-known American saying: "Better to remain silent and be thought a fool, than to speak and remove all doubt." The origin of the saying is uncertain; see Quote Investigator, 17 May 2010.
McAvoy, Gary (24. 9. 2019). „The Origins of In Cold Blood, a Classic Tale of an Iconic American Crime”. Medium (на језику: енглески). Приступљено 19. 2. 2021. „Serialized in four consecutive issues of The New Yorker magazine beginning September 25, 1965, “In Cold Blood” was a huge sensation, selling out all copies published. By January 1966, the critical reviews were so strong that the initial print run of some 240,000 hardcover copies flew off the shelves.”CS1 одржавање: Формат датума (веза)
„26 to Be Advisory Board for National Endowment”. The New York Times. 28. 1. 1966. Приступљено 30. 11. 2014. „In a parallel development to- day, the President appointed Harper Lee, author of the Pulitzer Prize-winning "To Kill a Mockingbird." and Richard Diebenkorn, artist, to the National Council on the Arts.”CS1 одржавање: Формат датума (веза)