Today’s Daf Yomi pages, Pesachim 20 and 21, introduce a concept that, at first blush, appears like a bit of a paradox: The more sacred something is, the more susceptible it is to impurity. Rabbi Dovid Bashevkin returns to unpack this complicated idea, and what it has to teach us about what truly matters in life. Why should you never post pictures of your loved ones on social media? Listen and find out.