Because of his Kabbalistic teachings, critics hounded the Ramchal for his entire short life, making sure his writings were never read. Yet centuries later, his definitive work Mesilat Yesharim became the cornerstone of the mussar movement. Likening this word to a great maze, the Ramchal lays down the foundation of righteous behavior - the map we need to navigate through the outer trappings and find the path to truth.