Acres of Diamonds and Praying for Money is a book written by Russell H. Conwell, which includes two of his most popular lectures. The first lecture, Acres of Diamonds, is a motivational speech that tells the story of a man who sold his farm to search for diamonds elsewhere, only to find out that the land he sold was actually full of diamonds. The message of the lecture is that people often look for wealth and success outside of themselves, but the...