When you serve your mother and father it is okay to try to correct them once in a while. But if you see that they are not going to listen to you, keep your respect for them and don't distance yourself from them. Work without complaining.
Let a ruler base his government upon virtuous principles, and he will be like the pole-star, which remains steadfast in its place, while all the host of stars turn towards it
When a person should be spoken with, and you don't speak with them, you lose them. When a person shouldn't be spoken with and you speak to them, you waste your breath. The wise do not lose people, nor do they waste their breath.
A man of humanity is one who, in seeking to establish himself, finds a foothold for others and who, in desiring attaining himself, helps others to attain.
The determined scholar and the man of virtue will not seek to live at the expense of injuring their virtue. They will even sacrifice their lives to preserve their virtue complete.
All wisdom is rooted in learning to call things by the right name. When things are properly identified, they fall into natural categories and understanding becomes orderly.