Which of the five senses brings back your memories most sharply? For me it is definitely the sense of smell. A certain kind of sun oil takes me instantly to a French beach. The smell of chicken mash brings back childhood visits to my grandmother. A hint of pine says “Christmas,” and a certain kind of aftershave reminds me of my son’s teenage years.

Paul reminded the Corinthians that they were the aroma of Christ: “For we are to God the pleasing aroma of Christ” (2 Cor. 2:15). He may have been referring to Roman victory parades. The Romans made sure…