Reish Lakish went from being a gladiator to a scholar, and along the way his teacher became his close friend.  Their story, as told in the Talmud, ended with estrangement when neither would forgive the other after a disagreement.  After carful study of the article and texts on teshuvah, repentence, students will be able to recognize the transformative power of friendship and the power of teshuvah as a means of transformation, repair andpossible necessary to help maintain friendships. 

Article also available in Hebrew.