Scholars talk books, butchers talk pigs

Similar sayings:

Schoolmaster, stick to your books; farmer, to your pigs Schoolmaster, stick to your books; farmer, to your pigs
The man who comes with a talk about others has himself an ax to grind The man who comes with a talk about others has himself an ax to grind
Talk does not cook rice Talk does not cook rice
After three days without reading, talk becomes flavorless After three days without reading, talk becomes flavorless
Married couples who love each other tell each other a thousand things without talking Married couples who love each other tell each other a thousand things without talking

Chinese sayings and proverbs