What is the purpose of Paul's letters according to Les?
The purpose of Paul's letters is to teach believers, not merely simple truths, but how all the Scriptures tie together. They show how the Old and New Testaments fit intrinsically as one unified revelation, connecting Israel's history and God's program.
Les teaches that the whole purpose of Paul's letters is to teach us, not just some of the simple things, but even how all of these Scriptures tie themselves together. He emphasizes that he loves to tie the old and the new because they all fit so intrinsically. In the context, Paul goes back to the book of Exodus, and Les follows him, showing how Paul uses Israel's history—such as the fathers under the cloud and passing through the Red Sea—to connect the Old and New Testaments. Les also points to Acts chapter 7, where Stephen rehearses Jewish history, to illustrate what he means.
Moreover, brethren, I would not that ye should be ignorant, how that all our fathers were under the cloud, and all passed through the sea;