General Charles Gordon (1833–85) served Queen Victoria in China and elsewhere, but when living in England he’d give away 90 percent of his income. When he heard about a famine in Lancashire, he scratched off the inscription from a pure gold medal he’d received from a world leader and sent it up north, saying they should melt it down and use the money to buy bread for the poor. That day he wrote in his diary: “The last earthly thing I had in this world that I valued I have given to the Lord Jesus.”

General Gordon’s level of generosity might…