 Guidebooks, such as "Sasojeol" (士小節, "Elementary Etiquette for Scholar Families"), written in 1775 by Yi Deokmu (이덕무; 李德懋), comment on the dining etiquette for the period.Suggestions include items such as "when you see a fat cow, goat, pig, or chicken, do not immediately speak of slaughtering, cooking or eating it", "when you are having a meal with others, do not speak of smelly or dirty things, such as boils or diarrhea," "when eating a meal, neither eat so slowly as to appear to be eating against your will nor so fast as if to be taking someone else's food.Do not throw chopsticks on the table.