There are three things to beware of through life: when a man is young, let him beware of his appetites; when he is middle-aged, of his passions; and when old, of covetousness, especially.
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.
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?
Charity is that rational and constant affection which makes us sacrifice ourselves to the human race, as if we were united with it, so as to form one individual, partaking equally in its adversity and prosperity.
The superior man honors his virtuous nature, and maintains constant inquiry and study, seeking to carry it out to its breadth and greatness, so as to omit none of the more exquisite and minute points which it embraces, and to raise it to its greatest height and brilliancy.
We can know a person by observing his behaviour, understanding the reasons for his actions and ascertaining his intentions. If we do this, how can we not know him?