When I was a grad student, I had the privilege of student teaching with political theorist Eric MacGilvray. Eric was—and I’m sure still is—a brilliant teacher. He was always in motion, but in a way that felt deliberate. He often perched on an elevated windowsill while listening to students debate amongst themselves. He made even the most archaic and dense texts accessible. (The class was Classics of Social and Political Thought.) He also had a...