Read this if you know a teacher who has earned your gratitude:
Since the time, as an infant, I inhaled to let loose my first wail, I’ve used air. Daily. And never paid a penny. So I was curious as to how he could sell a resource that’s available to everyone for free, and I asked, “Successfully?”
He launched into a detailed account of the process that air is forced through, so it becomes a product that sells for a lucrative amount.
When he began to describe manipulation of the N2s and the O2s and the CO2s , he lost me.
My thoughts strayed to the ways my task, as a teacher, is like his. Continue reading “Teaching…it’s like selling air”