some of the things that attracted me to Buddhism could also be found in Stoicism. Like Buddhists, Stoics advise us to contemplate the world’s impermanence. “All things human,” Seneca reminds us, “are short-lived and perishable.”19 Marcus likewise reminds us that the things we treasure are like the leaves on a tree, ready to drop when a breeze blows. He also argues that the “flux and change” of the world around us are not an accident but an essential part of our universe.20