This sermon explores the themes of community, volunteering, and Tikkun Olam (restitution of the world) through the lens of Parashat Korach and a Talmudic story known as the Oven of Achnai. The speaker discusses the importance of community and the impact of volunteering, highlighting that in a community bound by love and shared values, individualism is no match for the efficacy of collective action. The sermon also celebrates the volunteers and carers in the community, acknowledging their vital role in making the community function.