In your new book you write, "I cannot convince people to be obsessed with Jesus, and that's why you need the Holy Spirit." When did you come to that realization?

Once you pastor for a while, it dawns on you that nailing a sermon doesn't mean lives will change. Or you'll meet a person who's surrendered everything to Christ, and you'll realize that your sermon wasn't even good and nothing you did caused him to become a believer.

There was a guy who had been in our church for 15 years. One day he told me my preaching hadn't changed him. He said I spoke too much about the "narrow road" and how everyone needs to be radical for Christ. But he said there's also a "middle road" where people like him can do a lot of good things. I was floored by that. He's sat under my teaching for 15 years and he still believes there isn't only a wide easy road and a narrow difficult road, but also a middle road? I've been told many times that my teaching is really helpful, that I make things simple for people to ...