https://www.dancet.org/p/boekVincent J. Danceten2026-04-18T17:34:35+00:00Boekhttps://www.dancet.org/p/self-help-is-the-opium-of-the-massesVincent J. Danceten2026-04-18T15:24:50+00:00Self-help is the opium of the masses.