The Tenets of Taekwon-Do

The Tenets (Jung shin) of Taekwon-Do are:

여의
Courtesy
(Ye Ul)

염치
Integrity
(Yom Chi)

인냬
Perseverance
(In Nae)

극기
Self-Control
(Guk Gi)

백절불굴
Indomitable Spirit
(Baekjul Boolgool)