In Wheatley (2006), she mentions dissipative structures and how change occurs when an organism decides change is the only way to maintain itself (p.20). In this pin, Luke is learning from Yoda to be a Jedi in hopes of defeating Vader. Luke is very set in his ways and resists change. This proves detrimental to Luke's training and he struggles to advance. Yoda teaches Luke that to better himself, he must open his mind and challenge himself in order to meet his goals and thus survive.