People have always wondered at the saints, that they are able to walk around serene, whatever happens. But that is because they can choose where they'll be. They don't have to be angry. You see the difference between having scattered emotions and having a fully vibrating, controlled emotional body. This body is made from energy created from choice, from the effort involved in making choices. But it is necessary to practice; then something is possible.
The idea of worship in work was at once a doctrine and a daily discipline. The ideal was variously expressed that secular achievements should be as "free from error" as conduct, that manual labor was a type of religious ritual, that godliness should illuminate life at every point.