1 – Charlie Mackesy – The Boy, The Mole, The Fox and the Horse (2019)
2 – Mihaly Csikszentmihalyi – Flow (1990)
3 – Vex King – Good Vibes, Good Life (2018)
4 – Eckersley, Hamilton, & Denniss (2006)
5 – Shah & Marks (2004)
6 – Dodge, Daly, Huyton & Sanders
7 – Roy T. Bennett – The Light in Heart (2020)
8 – Rumi (13th Century poet)
9 – Lizz Fosslien and Molly West Duffy – Big Feelings (2022)
10 – Arthur Ashe
11 – Byron Katie – Loving What Is (2002)
12 – Ralph Waldo Emerson
13 – Human Synergistics (LSI Self-Development Guide)
14 – Viktor Frankl – Man’s Search for Meaning (1946)
15 – Vex King – Good Vibes, Good Life (2018)
16 – Marianne Williamson
17 – Einstein
18 – George Harrison – Within You Without You (1967)
19 – J. Cole