At the Bright Tree Village, the Three Lessons was a code of specific teachings that a heir of chieftain must learn before become the new chief.
According Chief Chirpa, the Three Lessons was:
Princess Kneesaa a Jari Kintaka learned the Three Lessons, while was saving the village during a stranglethorn's attack. In doing so, her father noted that in doing so, she showed great potential as a Chieftainess.