As a young apprentice, Franklin had read a book extolling vegetarianism. He embraced the diet, but not just for moral and health reasons. His main motive was financial: it enabled him to take the money his brother allotted him for food and save half for books. While his coworkers went off for hearty meals, Franklin ate biscuits and raisins and used the time for study, “in which I made the greater progress from that greater clearness of head and quicker apprehension which usually attend temperance in eating and drinking.”
