Shai Davidai e Thomas Gilovich, The ideal road not taken: The self-discrepancies involved in people's most enduring regrets. (PDF), in Emotion, vol. 18, n. 3, aprile 2018, pp. 439–452, DOI:10.1037/emo0000326, PMID 28493750. URL consultato il 31 gennaio 2019.
«In her book The Top Five Regrets of the Dying, Bonnie [sic] Ware, a palliative nurse, compiled the regrets most often expressed by patients nearing the ends of their lives (Ware, 2013). Although anecdotal, her observations are in line with our hypothesis. The most commonly cited regret mentioned by Ware’s patients was, "I wish I’d had the courage to live a life true to myself, not the life others expected of me."»