Maybe you’ve heard the old saying about teachers not being competent enough to actually do the thing they’re teaching. After all, the logic goes, if someone is proficient at their craft, why would they forgo fame, acclaim, and the ability to purchase frighteningly expensive houses just to slum it as a teacher? The horror. I don’t buy it. It makes no sense to assume that being a teacher disqualifies someone from being good at their discipline. Sure, in some instances the old adage may be true—as is the case with many clichés—but I often wonder about the folks who feel compelled to offer up this nugget of wisdom. Do they…