Thomas a Kempis, the author of The Imitation of Christ, offers the following description of Geert Groote nd followers of the Modern Devption. It conveys the motions of the followers and the basic feeling of comnunal togetherness among the believers.

Such was the inclination amongst the people to hear the Word of God that the Church could scarcely contain the crowd that came together Many left their food, and, being drawh by a hunger after righteousness, postponed their urgent business and ran together to hear his discourses: he often delivered two sermons in one day, and sometimes continued preaching for three hours or more when fervency of spirit took hold upon him .... Blessed be God who sending His Holy Spirit from above kindled the hearts of His faithful people, and mightily increased them,so that frorn the seed of a few converts...