" But after all the horse trading between Democrats and Republicans—and reformers, bankers, and lobbyists—I fear that its complex, obtuse regulations (some 170 separate rules are still being developed) involved in limiting proprietary trading by banks makes me wish we’d taken the simple step of restoring the separation of deposit taking banks from investment banks. The Glass-Steagall Act of 1933 worked well until it was gradually eroded and finally repealed in 1999. "

― John C. Bogle , The Clash of the Cultures: Investment vs. Speculation