The lessons of the Old Testament. Abraham. Moses. David

Christians on the pages of the Holy Scripture are often called students. All our lives, we learn what it is actually loved by God and the neighbor, as oneself, to forgive enemies, repent in sins. And we learn to put it into practice. And this is a really complex science that requires intense attention and application of all forces. However, on this path, as in comprehending any other science, we need teachers. For Christians, such teachers are saints.
You hold a book in your hands that is dedicated to Abraham, Moses and David. These three righteous people of the Old Testament can really teach us a lot. They have something to learn even with examples of their falls.
extracting our lessons from the life of the Old Testament saints, we will try to be like them in what they surpassed their time, and to avoid their mistakes and mistakes, which are many in the life of everyone, even a holy man