In John Piper's book, Jesus: The Only Way to God , he shares a short story of missionary William Carey, who served in India for forty years. Once [Carey] was talking with a Brahman in 1797. The Brahman was defending idol worship, and Carey cited Acts 14:16 and 17:30. God formerly "suffered all nations to walk in their own ways," said Carey, "but now commandeth all men everywhere to repent." "Indeed," said the native, "I think God ought to repent for not sending the gospel sooner to us." Carey was not without an answer. He said, "Suppose a kingdom had been long overrun by the enemies of its true king, and he though possessed of sufficient power to conquer them, should yet suffer them to prevail, and establish themselves as much as they could desire, would not the valour and wisdom of that king be far more conspicuous in exterminating them, than it would have been if he had opposed them at first, and prevented their entering...