First published by Money Metals here: https://www.moneymetals.com/news/2017/07/05/gold-versus-central-banks-001107

Gold is one of nature’s finest creations. On the other hand central banks create trillions of fiat currency units – dollars, euros, yen, quataloos, whatever – from nothing and use those currency units for purchases … Apple stock, salaries for a thousand Ph.D. economists, office buildings, lobbyists, politicians, gold bullion etc.