7
If you are young, don't speak unless you have to, but never more than twice, and only if someone speaks to you first.
8
Come to the point and say it all in a few words. Show that you are well-informed, but stay quiet.
9
Don't treat important people as if you were their equal and don't make a nuisance of yourself by asking them a lot of questions.
10
The reputation of a modest person goes before him, as lightning before thunder.
11
Leave the party at the right time and never be the last to go. Don't linger at the door; just go straight home.