The quote "The lack of money is the root of all evil" is from George Bernard Shaw’s play {Major Barbara (1905). It is often misattributed to the Bible, which instead references "the love of money" (1 Timothy 6:10). Shaw’s version emphasizes the societal and economic struggles caused by poverty. None of the other options—Robertson, Keynes, or Trescot—are associated with this quote, making option (4) correct.