Sirach 32:10LXX

8As a signet of an emerald in a work of gold: so is the melody of music with pleasant and moderate wine.

9Hear in silence, and for thy reverence good grace shall come to thee.

10Young man, scarcely speak in thy own cause.

11If thou be asked twice, let thy answer be short.

12In many things be as if thou wert ignorant, and hear in silence and withal seeking.