The Sele-An-T'Lee was an aspect known to the Vulcan civilization.

This ritual was conducted at the age of twenty five to twenty nine which comprised of lessons in subdominant brain organizations. It also included the teaching of advanced philosophy as well as logic along with muscle coordination and the control of will. There were a further five steps to the lesson which included belief discipline, reality awareness, sensory acuteness, visual calculation and fact analysis.

Sarda of the Lyr Zor clan was expected to have completed this ritual by the time he had become an adult. (TOS novel: Battlestations!)