“…Researchers who have studied the cultural characteristics and aspects of the Nordic countries have paid special attention to the original phenomenon of sisu as a unique Finnish cultural lifestyle, a kind of ideology of life (Hicks, Tokoi, 1959;Goodrick, 1960;Lander, 1991;Aho, 1994;Lucas, 2002;Tramaa, 2007;Dahlgren, Nurmelin, 2007;Brueggeman, 2008;Pankola, Gronska-Turunen, 2010;Sinkkonen, 2013;Lahti, 2014;Amato-Henderson et al, 2014;Velazquez, 2014;Duckworth, 2016;Pantzar, 2018a;2018b;Nylund, 2018;Adamczewski, Obrebska, 2018;Lahti, 2019;Etherington, 2019). Perseverance, determination, fearlessness, extraordinary endurance, resilience, grit, bravery, courage, resoluteness in the face of adversity, and energy are used to explain the concept of sisu.…”