1. If it is incisive, it is grinding people. (The Book of Songs Feng Wei Zhan Ao).
2. The speaker is innocent and the speaker is warned. (preface to the book of songs)
3. It is a stone from other mountains, which can attack jade. ("The Book of Songs Xiaoya heming")
Give me a peach and a plum. ("The Book of Songs, Elegance and Pity")
Decadence has no beginning, but freshness has only an end. (The Book of Songs, Elegance and Swing) I hope I can help you to be satisfied. Please adopt it.