When St. Augustine was asked the purpose of a sermon, he thought back to what Cicero, the Roman statesman, said about oratory. The purpose of a sermon, St. Augustine said, is to teach, to delight and to persuade. The book of sermons you hold in your hand accomplishes all three. I should know. I read every word of these sermons. As I did so, I learned invaluable spiritual principles about the ways of God; I delighted in the anecdotes, stories and...