Take the story of young William Wilberforce. He was discouraged one night in the early 1790s after another defeat in his ten year battle against the slave trade in England. Tired and frustrated, he opened his Bible and began to leaf through it. A small piece of paper fell out and fluttered to the floor. It was a letter written by John Wesley shortly before his death. Wilberforce read it again: “Unless the divine power has raised you up... I see not how you can go through your glorious enterprise in opposing that (abominable practice of slavery), which is the scandal of religion, of England, and of human nature. Unless God has raised you up for this very thing, you will be worn out by the
...