Real purity is not a return to the innocence of childhood. Real purity is born of the struggle to grow and learn from our mistakes. בכל לבבכם ובכל נפשכם — turning inspiration into resolve, and resolve into deed.
"In tefillah, you gather the strength of dedication for life, allowing this life to become the fulfillment of the Divine will, the furthering of Divine purpose — a contribution to the success of that purpose which God has set for humanity and Israel ...realizing that this is the purpose of the gifts God grants as a result of your wishes and strivings." (—R' S.R. Hirsch, Horeb, pg. 475)
This class builds a new angle of the Avoda of Teshuva on Yom Kippur upon the foundation of recognizing our inherent imperfection and vulnerability introduced in the YAYOE session on Chai-18.