Magic is a scientific discipline, codified in the fourteenth century by Saint Hilary Robert, much involved with higher mathematics and possessed of theoretical and experimental underpinnings as sophisticated as those of our physics and chemistry. Licensed Sorcerers, possessed of the Talent and properly trained, achieve a wide range of effects. Healing by the laying on of hands is effective and a commonplace treatment for disease and injury; thanks to the efficacy of the Healers, it is common for people to live to the age of 100 and not rare for people to live to 125.