Paul Graham, «How to Disagree», PaulGraham.com, March 2008, .
217
Aaron Kozbelt, «Longitudinal Hit Ratios of Classical Composers: Reconciling ‘Darwinian’ and Expertise Acquisition Perspectives on Lifespan Creativity», Psychology of Aesthetics, Creativity, and the Arts 2 (2008): 221–35; Adam Grant, «The Surprising Habits of Original Thinkers», TED Talk, February 2016, .