Dr. Tony Campolo, in his film series, You Can Make a Difference, tells the story of a Christian colleague with a PhD. in English Literature who quit his job and became a mailman because Christ opened up a new tomorrow in his life. Tony went to the man's apartment to try to persuade him to change his mind. Here is how Tony describes that encounter:

Tony says, "I couldn't change his mind, so I came back with the old Protestant work ethic thing. I said, ''Charlie, if you're gonna be a mailman, be the best mailman you can be.''

"He looked at me with a silly grin and said, 'I'm a lousy mailman.''

"I asked, 'What do you mean, you're a lousy mailman?''

"He answered,…