Tenets of Taekwon-do The Tenets (Jung shin) of Taekwon-Do are: Courtesy (Ye Ul) Integrity (Yom Chi) Perseverance (In Nae) Self-Control (Guk Gi) Indomitable Spirit (Baekjul Boolgool) Share this:FacebookTwitterLinkedInPinterestWhatsAppPrintLike this:Like Loading...