It is only the very wisest and the very stupidest who never change.
He who speaks without modesty will find it difficult to make his words good.
A man who lacks reliability is utterly useless.
A lack of patience in trifling matters might lead to the disruption of great project.
If you would govern a state of a thousand chariots (a small-to-middle-size state), you must pay strict attention to business, be true to your word, be economical in expenditure and love the people.
To rein a kingdom efficiently it is necessary, before all, to put into good order the family. It's impossible for a man who doesn't know how to lead his own family to know how to lead a country.