Rav Soloveitchik (quoted in Nefesh HaRav) broadens the application of the mitzvah of "וקדשתו" - it includes the obligation to be mindful of the different pedigrees within the Jewish people.
Rav Nissan Alpert asks how our sukkah can possibly resemble the Clouds of Glory they commemorate.
Delivered at the OU Israel Center, 11 Iyyar 5778 (April 26th, 2018)