Source for Kohen’s (Priest’s) permission to light a room with disqualified Terumah oil. No tar in Shabbos lamp. Bathing before Shabbos is obligatory, at least face, hands, feet. Shatnetz (prohibited wool/linen mixture) in a prayer shawl. Sages offer opinions on “Who is wealthy?” based on their own experience. Rabbi Yosei’s definition especially poignant in time of COVID-19.