"The Chronicle of the Canons Regular of Mount St. Agnes" is an important historical and spiritual testimony written by Thomas a Kempis, a prominent Dutch writer and spiritual thinker of the 15th century. The book tells about the life and activities of the regular canons who lived on Mount Saint Agnes, as well as about the spiritual exercises and teachings that guided them. In his Chronicle, Thomas a Kempis reflects the religious and moral aspects of the life of regular canons, revealing the subtle relationship between inner spiritual development and service to others. The author emphasizes the importance of introspection, prayer, repentance and worship in the spirit of submission to the will of God. "The Chronicle of the Canons Regular of Mount St. Agnes" is a famous work that helps the reader to better understand the spiritual foundations of the medieval church and gives an opportunity to deepen his knowledge of spirituality and self-development.