From the life of the early Waldensians, Brother John D. Martin draws several practical lessons — The Preaching of the Gospel is non-negotiable. True Christians are committed to literal obedience. True Christians should maintain a healthy suspicion of clever theological rationalizations. The priority of Christians is a thorough understanding of the Scriptures. The Biblical teachings of wealth should be taken seriously and literally. “Beware lest anyone cheat you through philosophy and empty deceit, according to the tradition of men, according to the basic principles of the world, and not according to Christ.”