Years ago I knew two brothers who farmed their land together. One of them had lost both legs fighting in the Korean War. The other brother had lost an arm in a farm-machinery accident. They worked hard and never complained about their lot in life. Neither did their wives and children.

They were committed Christians, and I can still see those brothers and their families sitting in the first two rows of their little country church. They worshiped God, trusted Him for guidance and lived their lives in faithfulness. They were contented.

But I've also met people who are always complaining about the...