"I would imagine that if he runs his cabinet meetings or his meetings with his advisors in the same way he ran his classroom, no one gets to coast and keep their mouth shut and agree at the end,"
VOA: standard.2010.01.16
If you keep your tongue in your mouth you're okay.
Because I still have a deathly fear of offending someone or talking about something way off-topic, I often hold my hand over my mouthin meetings to keep from speaking.