Sentences praising students' diligence and studiousness.

There are many sayings praising students' studiousness, such as: angry and forgetting to eat, forgetting to sleep, forgetting to eat, burning ointment every second, ringing, grinding iron inkstone, studying hard, practicing hard, staying up late, staying up all night, sleeping all night, no winter, no summer snacks, eating vegetables, enjoying log police pillows, learning to be brave, working hard, sitting and waiting, never putting down books, and never letting go.