This is a historical account of the pioneers of the Devotio Moderna, a religious movement that emerged in the Low Countries in the 14th century. It focuses on the lives and teachings of Gerard Groote, Florentius Radewin, and their followers, who sought to reform the church and promote personal piety through education, meditation, and imitation of Christ. It is an important source for the history of medieval spirituality and education. This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work is in the "public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute this work, as no entity (individual or corporate) has a copyright on the body of the work. Scholars believe, and we concur, that this work is important enough to be preserved, reproduced, and made generally available to the public. We appreciate your support of the preservation process, and thank you for being an important part of keeping this knowledge alive and relevant.