Yoma 60a - Value in Ashes מעילה בתרומת הדשן

Matmonim: Daf Yomi by Rabbi David Lapin - A podcast by Rabbi David Lapin

The fascinating practice of Terumat Hadeshen was not the cleaning of the Mizbeach (altar). That was done afterwards. The Terumat Hadeshen was the production of a pile of ash with a crucial life-lesson to teach us.