Corn, also called maize, is the staple food in my home country of Mexico. There are so many different types. You can find yellow, brown, red, and black cobs, even mixed ones with a wonderful spotted pattern. But people in the cities usually won’t eat the spotted cobs. As restaurateur and researcher Amado Ramírez explains, they somehow believe uniformity is a synonym of quality. Yet the spotted cobs taste good, and they make excellent tortillas.

The church of Christ is much more similar to a spotted ear of corn than to a cob of just one color. The apostle Paul used…