Not that the derision is difficult to understand. Education is a setup for ridicule. Old people stuck in place deliver old information to new people about to move up and out. The adamant vs. the supple. The strait-laced vs. the unlaced, over whom they exert a flimsy and temporary authority.
Every classroom is an implicit smirk.
I'm going to leave him in his own dust. Meanwhile, the teacher, ever desperate to exhibit vital signs, forages for inspirational material. They are salmon in the springtime, and Professor Backwards has one small porous net. To catch even one or two. I'm a half-time teacher, an amateur.