Most of all, Albert has attracted the attention of the scientific world as a natural philosopher. His philosophical views have also been examined in depth from several perspectives. The present work provides a summary of his presentation of Christian ethics based on all his theological works. It is a rich source of knowledge that is important for the history of moral theology and medieval church life. This book on the moral theology of Albert the Great, with particular consideration of its relationship to the teachings of Saint Thomas, is an unaltered reprint of the original edition from 1911.