Forty days in the wilderness! The season of repentance is often referred to as the Jewish version of Lent, but which came first? This teaching from 2010 makes the case that the Christian season of Lent was originally based on the Jewish season of Teshuvah. This teaching calls upon us to employ asceticism and meseret nefesh in a forty-day face-off with the devil as we train for Yom Kippur.