To see what is right and not to do it is want of courage.
When you see a good man, try to emulate his examples, and when you see a bad man, search yourself for his faults.
If one should desire to know whether a kingdom is well governed, if its morals are good or bad, the quality of its music will furnish the answer.
The faults of a superior person are like the sun and moon. They have their faults, and everyone sees them; they change and everyone looks up to them.