To err and not reform, this may indeed be called error.

There is the love of knowing without the love of learning; the beclouding here leads to dissipation of mind.

To study and not think is a waste. To think and not study is dangerous.

Reviewing the day's lessons. Isn't it joyful? Friends come from far. Isn't it delightful? One has never been angry at other's misunderstanding. Isn't he a respectable man?

Balance is the perfect state of still water. Let that be our model. It remains quiet within and is not disturbed on the surface.

Among the appliances to transform the people, sound and appearances are but trivial influences.

If the people are governed by laws and punishment is used to maintain order, they will try to avoid the punishment but have no sense of shame. If they are governed by virtue and rules of propriety are used to maintain order, they will have a sense of shame and will become good as well.