Helen Roseveare, an English missionary physician in the African Congo, was taken prisoner by rebels during the Simba Rebellion in 1964. Beaten and abused by her captors, she suffered terribly. In the days that followed, she found herself asking, “Is it worth it?”

As she began to ponder the cost of following Jesus, she sensed God speaking to her about it. Years later she explained to an interviewer, “When the awful moments came during the rebellion and the price seemed too high to pay, the Lord seemed to say to me, ‘Change the question. It’s not, ‘Is it worth it?’ It’s…