The famous French artist Edgar Degas is remembered worldwide for his paintings of ballerinas. Less known is the envy he expressed of his friend and artistic rival Édouard Manet, another master painter. Said Degas of Manet: “Everything he does he always hits off straightaway, while I take endless pains and never get it right.”

It’s a curious emotion, envy—listed by the apostle Paul among the worst passions, as bad “as every kind of wickedness, sin, greed, hate, envy, murder, quarreling, deception, malicious behavior, and gossip” (Romans 1:29 nlt). It results from “foolish thinking,” Paul writes—the result of worshiping idols instead of…