To know that one knows what one knows, and to know that one doesn't know what one doesn't know, there lies true wisdom.
What can a man do with music who is not benevolent?
The strongest memory is not as strong as the weakest ink.
Sincerity is the way of heaven.
If you think in terms of a year, plant a seed; if in terms of ten years, plant trees; if in terms of 100 years, teach the people.
He who crosses the ocean twice without washing is a dirty double crosser.