Not to mend one's ways when one has erred is to err indeed.
We should keep the dead before our eyes, and honor them as though still living
The inner nature of man is the province of Music.
The Master said, “The gentleman understands what is right, whereas the petty man understands profit.” (Analects 4.16)
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 gentleman calls attention to the good points in others; he does not call attention to their defects. The small man does just the reverse of this.