Sirach 32:3-5

New Revised Standard Version, Anglicised

³ Speak, you who are older, for it is your right,
    but with accurate knowledge, and do not interrupt the music.
⁴ Where there is entertainment, do not pour out talk;
    do not display your cleverness at the wrong time.
⁵ A ruby seal in a setting of gold
    is a concert of music at a banquet of wine.