For example, in a letter to Marcus Aurelius, we find his rhetoric tutor and family friend, Marcus Cornelius Fronto, joking about how he saw one of the emperor’s little sons clutching a chunk of brown bread, “quite in keeping with a philosopher’s son.” In another letter, we get a glimpse of Marcus’ eating habits:

Then we went to luncheon. What do you think I ate? A wee bit of bread, though I saw others devouring beans, onions, and herrings full of roe.

How to Eat Like a Stoic