The greatest thing in the world is to know how to belong to oneself
“Religion is for people who're afraid of going to hell. Spirituality is for those who've already been there.” – Vine Deloria Jr. Spirituality is a broad and complex concept that varies its understanding according to cultural, religious, and academic backgrounds (i.e., religious persons, scientists, or laypersons; Koenig, 2008 ; la Cour and Götke, 2012 ). In this context, there is a remarkable debate regarding the most accurate meaning, and regarding the possibility of having a single universal consensual definition for this concept ( Peng-Keller, 2019 ). Some issues arise since the fact that spirituality is often linked and overlaps another important concepts, such as religion/religiosity and well-being/positive emotions ( Hill et al., 2000 ). Historically, the term spirituality was used to describe the practices of people who dedicated their lives to religious services or exemplify the teachings of their faith traditions (Koenig, 2008). Only in the last decades, sp...